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: Snowmobiles can accommodate ____ riders per vehicle.

SOLUTION: two

PROBLEM: Deer show ____ symptoms of the disease.

SOLUTION: no

PROBLEM: Dolphins spend their time in small groups of five to ____ individuals.

SOLUTION:
seven