PT 33 S4 Q12

Bird-watchers explore a forest to see which of the following six kinds ... ...

Suppose the condition is added that if shrikes are in the forest, then harriers are not. If all other conditions remain in effect, then which one of the following could be true?
(A) The forest contains both jays and shrikes.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Grouping: Lesson Set 2 (of 3) - Conditionals