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: Walmart told CNN 's Miguel Marquez that the store clerk acted appropriately , even using a code to alert security to call police . 2: Valencia took the gun and ammo and fled into a nearby business park where he encountered an officer in a slow-moving patrol car . 3: He shoplifted the gun and ammo from a Walmart , where a saleswoman who showed him the weapon alerted security .

1: police 2: an officer in a slow-moving patrol car 3: security