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:
Scullers use ____ oars, sweep oarsmen pull just one.
answer:
two


question:
Rabbinic literature is made up of ____ major kinds of works.
answer:
five


question:
Wax esters in ____ species of freshwater zooplankton.
answer:

two