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: International trade is a ____ way street.

A: two
****
Q: Orchestra conductors live ____ to seven years longer than is usual in their societies.

A: three
****
Q: Boolean logic uses ____ basic 'operators' or limiters to manipulate sets.

A:
three
****