context: Man walking down a brick sidewalk in a business suit reading a paper and smoking a cigar with a woman wearing sunglasses walking behind him to his left.
hypothesis: There is a better than even chance that the woman is a secret agent on mission to murder the man.
valid_hypothesis: It is impossible that the woman is a secret agent on mission to murder the man.
invalid_hypothesis: There is a better than even chance that the woman is a secret agent on mission to murder the man.
hypothesis_assertion: The woman is a secret agent on mission to murder the man.