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 ) Germanwings co-pilot Andreas Lubitz was hiding an illness from his employers and had been declared  unfit to work  by a doctor , according to German authorities investigating what could have prompted the seemingly competent and stable pilot to steer his jetliner into a French mountain . 2: But the fact that investigators found  ripped , recent medical leave notes , including for the day of the offense , leads to the preliminary conclusion that the deceased kept his illness secret from his employer and his professional environment ,  prosecutors said . 3: Ripped medical-leave notes found at his home indicate co-pilot hid an illness , officials say .

1: an illness 2: his illness 3: an illness