This exercise concerns the interpersonal relations of a small sorority. There are just four members - Abby, Bess, Cody, and Dana; and there is just one type of binary relationship - likes. The following table below shows who likes whom. A check in a box of the table indicates that the girl named at the beginning of the row likes the girl named at the head of the column; the absence of a check means that she does not.
Abby
Bess
Cody
Dana
Abby
Bess
Cody
Dana
The following sentences are constraints that characterize the possibilities. Your job here is to select a truth value for each constraint indicating whether that constraint is satisfied by the table shown above.