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: Noah , 31 , who is South African and biracial , debuted on  The Daily Show With Jon Stewart  in December . 2: Stewart approves of his replacement . 3: Stewart approves of the South African comedian as his replacement .

1: Noah , 31 , who is South African and biracial 2: his replacement 3: the South African comedian