instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Tomatoes require about six to _ weeks from seeding until they reach transplant size.
answer:
eight


question:
Some bird feeders have _ perches at all, but neither do tree trunks.
answer:
no


question:
Most birds have _ air sacs.
answer:

nine