Choices:
[i] plants.
[ii] fungi.
[iii] ferns.
[iv] cheese.
[v] fungus.
[vi] salmon.
[vii] hamburgers.
[viii] primates.
Q: Fact 1: Humans have collected and grown mushrooms for food for thousands of years. Fact 2: Mushrooms are an example of fungi. Given the two facts above, humans have collected and grown what for food for thousands of years?
A:
[ii]