instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Some bird feeders have _ perches at all, but neither do tree trunks.
answer:
no


question:
Plants have many white flowers with _ petals, giving the plant a white, flat-topped appearance.
answer:
four


question:
Wolverines reproduce every two or _ years .
answer:

three