Teacher: Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Paragraph: Nix v. Hedden , 149 U.S. 304 ( 1893 ) , was a decision by the Supreme Court of the United States that , under U.S. customs regulations , the tomato should be classified as a vegetable rather than a fruit . The Court 's unanimous opinion held that the Tariff Act of 1883 used the ordinary meaning of the words `` fruit '' and `` vegetable , '' instead of the technical botanical meaning .
Question: is tomato a fruit or vegetable us supreme court

Solution: vegetable
Reason: The answer 'vegetable' is correct as it lies in the sentence - "Nix v. Hedden , 149 U.S. 304 ( 1893 ) , was a decision by the Supreme Court of the United States that , under U.S. customs regulations , the tomato should be classified as a vegetable rather than a fruit ", which is a part of the passage.

Now, solve this instance: Paragraph: Skin of my teeth ( Hebrew : ע֣וֹר שִׁנָּֽי ‎ ' ō - wr šin - nāy ) is a phrase from the Bible . In Job 19 : 20 , the King James Version of the Bible says , `` My bone cleaveth to my skin and to my flesh , and I am escaped with the skin of my teeth . '' In the Geneva Bible , the phrase is rendered as `` I have escaped with the skinne of my tethe . ''
Question: where did by the skin of my teeth come from

Student:
Bible