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: Despite a number of countries participating in various military drills in Eastern Europe , a Kremlin spokesman described the Northern Fleet inspection as routine practice aimed at improving military capabilities . 2: Conversely , a diplomat told Tass that Russia was  deeply concerned  about NATO drills near its border . 3: Kremlin calls drill routine , but diplomat says Russia is  very concerned  by NATO drills .

1: various military drills in Eastern Europe 2: NATO drills near its border 3: NATO drills