Definition: You will be given three sentences. Read them, then identify a noun phrase (person, place, or thing) or event that is shared between all three sentences. As the output, write the span of the text corresponding to that phrase in each sentence. Keep the order of the sentences, that is, your answer should look like: 1: *a phras from sentence 1e* 2: *a phras from sentence 2* 3: *a phrase from sentence 3*
Input: 1: These are only two of the 100 challenges Chinese-born , American-based Jia Jiang put himself up to when he decided to blog about  100 Days of Rejection  , a project he launched after he quit his comfortable six-figure job to follow his dreams of being an entrepreneur at the age of 30 , just weeks before his first child was born . 2: It was a gradual process - gradually my comfort zone expanded . 3:  100 Days of Rejection  took Jiang out of his comfort zone .

1: comfortable six-figure job 2: comfort zone 3: comfort zone