Q69
Single choice
Bird-watchers explore a forest to see which of the following six kinds of birds -- grosbeak, harrier, jay, martin, shrike, wren -- it contains. The findings are consistent with the following conditions:
If harriers are in the forest, then grosbeaks are not.
If jays, martins, or both are in the forest, then so are harriers
If wrens are in the forest, then so are grosbeaks
If jays are not in the forest, then shrikes are
Which one of the following could be a complete and accurate list of the birds NOT in the forest?