In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: Human eye are only about _ times sharper than a jumping spider's.

A: five
****
Q: Horse chestnuts have opposite branching and a compound leaf, which is palmate, with _ leaflets.

A: five
****
Q: Double price is based on two golfers sharing _ room.

A:
one
****