In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: Most protein antigens require signals from helper t cells (th2) to proceed to make antibody. Question: Most protein antigens require signals from helper t cells (th2) to proceed to make what?
antibody

Sentence: Most of the heat that enters the mesosphere comes from the stratosphere. Question: Most of the heat that enters the mesosphere comes from where?
the stratosphere

Sentence: Am radio waves exist in the 540 to 1600 khz frequency range. Question: What type of radio waves exist in the 540 to 1600 khz frequency range?

am radio waves