instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Perennial grass takes _ to five years before it is mature enough to produce adequate seed.
answer:
three


question:
Horse chestnuts have opposite branching and a compound leaf, which is palmate, with _ leaflets.
answer:
five


question:
Asymmetric unit contains _ molecules of the above compound.
answer:

two