from collections import Counter
full_dic={}
def check_sent(sent:str):
    global full_dic
    name,sent=sent.split(':')
    dic=full_dic[name]
    sent=sent[1:]
    if sent in ('I am guilty.','I am not guilty.'):
        dic[name]=len(sent)<=12
    elif sent.endswith('guilty.'):
        g_name=sent.split()[0]
        dic[g_name]='not'not in sent
    if sent.startswith('Today is'):
        day=sent.split()[-1][:-1]
        dic['day']=day
class find:
    def __init__(self):
        self.full_dic=full_dic
        self.it=iter(self.full_dic)
        self.__pretend_dic={x:()for x in full_dic}
        self.__days=Counter()
        self.pretend(next(self.it))
        self.cheat=self.check_TF()
        self.check_person()
        self.final=self.check_day()
    def pretend(self,check):
        check_dic=self.full_dic[check]
        for d in self.full_dic.values():
            if d!=check_dic:
                for i in d:
                    sample=check_dic.get(i)
                    if sample is not None:
                        self.__pretend_dic[check]+=(sample==d[i],)
                        break
                else:
                    if True in d.values():self.__pretend_dic[check]+=(False,)
        try:self.pretend(next(self.it))
        except StopIteration:...#print(self.__pretend_dic)
    def check_TF(self):
        cheat={name for name,tp in self.__pretend_dic.items() if tp.count(False)==M-N}
        a=len(cheat)
        if a!=0 and a<=N and self.__pretend_dic[list(cheat)[0]]!=len(self.full_dic)/2:return cheat
        return set()
    def check_person(self)->None:
        honest=set(self.full_dic.keys())-self.cheat if len(self.cheat)==N else set()
        '''if len(honest)>M-N:
            self.cheat=honest
            honest.clear()'''
        self.guilty,self.not_guilty=set(),set()
        for person,comment in self.full_dic.items():
            for key,value in comment.items():
                if isinstance(value,bool):
                    if person in self.cheat:value=not value
                    if person in honest|self.cheat:self.guilty.add(key)if value else self.not_guilty.add(key)
        #print(self.guilty)
    def check_day(self):
        for dic in self.full_dic.values():
            for v in dic.values():
                if not isinstance(v,bool):self.__days.update([v])
        s=list(self.__days.values())
        guilty=self.guilty
        not_guilty=self.not_guilty
        if len(s)!=0:
            #rint(not_guilty)
            x={person:dd.get('day') for person,dd in self.full_dic.items()}
            for p,t in x.items():
                if len([...for rk in x if rk!=p and x[rk]!=t])>N:self.cheat.add(p)
            #print(s)
            if s[0]!=s[-1]and(len(s)>=3 or s[0]>len(self.full_dic)//2):
                right_day=self.__days.most_common()[0][0]
                for d in self.full_dic.values():
                    if 'day'in d.keys():
                        for key,value in d.items():
                            if isinstance(value,bool):
                                if d['day']!=right_day and key not in self.cheat or key in self.cheat and d['day']==right_day:value=not value
                                guilty.add(key)if value else not_guilty.add(key)
        if len(not_guilty)==M:return 'Impossible'
        if len(guilty)>1:return'Cannoot Determine'
        if len(guilty)==0:return(set(self.full_dic.keys())-not_guilty)[0]if len(self.full_dic)-1==len(not_guilty)else'Cannot Determine'
        else:return list(guilty)[0]
    def __call__(self):
        return self.final
if __name__=='__main__':
    M,N,P=[int(i) for i in input().split()]
    for _ in range(M):
        full_dic[input()]={}
    for _ in range(P):
        check_sent(input())
    f=find()
    #print(full_dic)
    print(f())

在线IDE和VSCode两个输入都没问题，结果全都RE，想破脑袋也没发现什么问题