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*

1: London ( CNN ) An investigation is underway after a canine competitor died the day after taking part in Crufts , one of the world 's most prestigious dog shows . 2: Three-year-old Irish setter Thendara Satisfaction -- known to his owners as Jagger -- took second prize in his class at the event in Birmingham , central England , on Thursday . 3: Three-year-old Irish setter Jagger died suddenly after competing at Crufts dog show .
1: a canine competitor 2: Three-year-old Irish setter Thendara Satisfaction -- known to his owners as Jagger 3: Three-year-old Irish setter Jagger

1: Researchers say Mars may once have had an sea as extensive as Earth 's Atlantic Ocean , and Curiosity has found evidence of ancient streambeds and a lake on the planet . 2:  Conditions near the surface of present-day Mars are hardly favorable for microbial life as we know it ,  he said ,  but the possibility for liquid brines on Mars has wider implications for habitability and geological water-related processes .  3: The finding has  wider implications  for efforts to find evidence of life on Mars , a researcher says .
1: Mars 2: Mars 3: Mars

1:  Some think that we should either fight . . . or we should surrender to other powers ,  President Hassan Rouhani said . 2: We can cooperate with the world .  3:  We can cooperate with the world ,  President Hassan Rouhani insists .

1: we 2: We 3: We