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: Elves are the first of the ____ families of fairy People.

A: eight
****
Q: Neutrons consist of one up quark and ____ down quarks.

A: two
****
Q: Trees begin to bear five to ____ years after planting the root shoot.

A:
seven
****