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: Many infected dogs exhibit ____ symptoms until the disease is in an advanced state.

SOLUTION: no

PROBLEM: Rhinos are herbivores with barrel shapedbodies, thick legs and feet with ____ toes.

SOLUTION: three

PROBLEM: Saliva consists of ____ fluids, 'mucous' and 'serous'.

SOLUTION:
two