TASK DEFINITION: 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.
PROBLEM: Lightning is ____ times hotter than the surface of the sun.

SOLUTION: three

PROBLEM: Argentine ants are able to establish new colonies with as little as ten worker ants and ____ queen.

SOLUTION: one

PROBLEM: American homes contain more than ____ billion light fixtures.

SOLUTION:
two