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: Proper chemical formulas for ionic compounds balance the total positive charge with total negative charge. Question: Proper chemical formulas for ionic compounds balance the total positive charge with what?
total negative charge

Sentence: Beta decay occurs when an unstable nucleus emits a beta particle and energy. Question: What occurs when an unstable nucleus emits a beta particle and energy?
beta decay

Sentence: The mineral quartz is used to produce glass. Question: What mineral is used to produce glass?

quartz