TASK DEFINITION: You will be given two questions. You should decide whether the second question is a good paraphrase of the first one. If you are able to tell that the two questions are the same without any other information, answer "Yes", otherwise answer "No".
PROBLEM: original question: which drug component has [Calcium sulfide] in it?
paraphrase: [Calcium sulfide] is a principal ingredient of what drug component?

SOLUTION: Yes

PROBLEM: original question: What does [Plantago seed] treat?
paraphrase: What is said of [Plantago seed]?

SOLUTION: No

PROBLEM: original question: What is the destruction method of [Five World Trade Center]
paraphrase: what method was used to destroy [Five World Trade Center]?

SOLUTION:
Yes