instruction:
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.
question:
Many people have ____ symptoms until they suffer chest pains or a heart attack.
answer:
no


question:
Buses are ____ times as fuel efficient as cars.
answer:
five


question:
Okra pods are ready for harvest ____ to seven days after the flower opens.
answer:

four