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:
Pathologists study four to ____ years after medical school and their postgraduate training.
answer:
five


question:
Lions spend much of their time resting and are active only about ____ hours every day.
answer:
four


question:
Milk teeth stay in a child up to the age of seven to ____ years.
answer:

eight