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:
Ligand seeks ____ receptors into binding and mutual phosporylation.
answer:
two


question:
Cardiovascular disease is the cause of more deaths than the next ____ causes of death combined.
answer:
seven


question:
Sows usually begin ovulating in their second year, though some exceptionally begin at ____ months.
answer:

nine