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: ( CNN ) We might never truly comprehend what drove co-pilot Andreas Lubitz to crash Germanwings Flight 9525 into the French Alps on March 24 , killing everyone on board . 2: How much did his battle with depression affect his fitness to fly ? 3: Andreas Lubitz , the co-pilot who crashed the Germanwings flight , battled with depression .

1: co-pilot Andreas Lubitz 2: his 3: Andreas Lubitz , the co-pilot who crashed the Germanwings flight