Ok? I feel like it's relatively clear from the question that in this hypothetical world there are only 2 states, married or unmarried. Logically the question c

Ok? I feel like it's relatively clear from the question that in this hypothetical world there are only 2 states, married or unmarried. Logically the question can be cut down to: Given an alphabet {A, B} is there an symbol x such that for the string "AxB" an A is not followed by a B.