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: Bates said he meant to use his stun gun but ended up firing his handgun instead . 2: In a well-publicized 2009 case , a Bay Area Rapid Transit police officer fired his gun instead of his Taser , killing 22-year-old Oscar Grant in Oakland , California . 3: In 2009 , an officer in California also said he mistakenly used his gun instead of a Taser .

1: handgun 2: gun 3: gun