Q: Fact 1: Some birds are pollinators that co-evolved with plants. Fact 2: All plants are of bush type. Given the two facts above, some birds are pollinators that co-evolved with what?

Choose your answer from:
[I] potatoes.
[II] bushes.
[III] Oak.
[IV] seeds.
[V] flowers.
[VI] Conifers.
[VII] Trees.
[VIII] humans.
The answer is:
[II]