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.

[Q]: Light chains exist in ____ classes, lambda and kappa.
[A]: two


[Q]: Shock occurs when there are intense experiences and ____ defenses at all.
[A]: no


[Q]: Merlin is about five and ____ half inches long.
[A]:
one