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: The miniature aircraft will be fitted with a camera and pepper spray ; each drone costs between $ 9,560 and $ 19,300 , Yadav added . 2: As well as being used as a security measure in other cities including Delhi and Mumbai , the unmanned , airborne vehicles have been used in tiger hunts , disaster relief and criminal investigations -- and even pizza deliveries . 3: The unmanned aerial vehicles are being fitted with cameras and pepper spray to subdue angry protesters .

1: The miniature aircraft 2: the unmanned , airborne vehicles 3: The unmanned aerial vehicles