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:
Tall fescue produces the ____ diazaphenanthrene alkaloids, perlolidone and perloline.
answer:
two


question:
Herbs require at least ____ hours of sunlight.
answer:
six


question:
Arteries have ____ layers of thick walls.
answer:

three