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.

Input: Consider Input: Sentence: The potential of galvanic cell can be used to measure the ph of a solution. Question: The potential of what can be used to measure the ph of a solution?

Output: galvanic cell

Input: Consider Input: Sentence: Competive exclusion princple explains why two different species cannot occupy the same niche in the same place for very long. Question: What explains why two different species cannot occupy the same niche in the same place for very long?

Output: competive exclusion princple

Input: Consider Input: Sentence: Skeletal tisse is muscle tissue that is attached to the bone called. Question: What is muscle tissue that is attached to the bone called?
Output: skeletal tisse