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.

Q: Neurofibromatosis appears in ____ forms.

A: two
****
Q: Anapsids have ____ openings in the temporal region of their skull.

A: no
****
Q: Some cultures yield ____ or six species, and they are assigned consecutive letters.

A:
five
****