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: By chance he landed in Montana 's Fort Belknap Indian Reservation , home to 7,000 members of the Gros Ventre ( Aaniiih ) and the Assiniboine ( Nakoda ) tribes on 675,147 acres of land near the Canadian border . 2: Felix von der Osten is a German photographer . 3: German photographer Felix von der Osten spent time at an Indian reservation in Montana .

1: he 2: Felix von der Osten 3: German photographer Felix von der Osten