Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Some bird feeders have ____ perches at all, but neither do tree trunks.
no

Brook stickleback have prominent mouths, large eyes and ____ to six spines on their backs.
four

Spiny lobsters have ____ claws and carry a spine studded shell.

no