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*
--------
Question: 1: It may help scientists better understand why Yellowstone 's previous eruptions , in prehistoric times , were some of Earth 's largest explosions in the last few million years . 2: Volcanic activity triggers 2,000 to 3,000 small earthquakes per year , and the shake and shock waves travel at different speeds through molten , hot and other rock . 3: Scientist measured the thousands of small earthquakes in Yellowstone to scan the earth underneath it .

Answer: 1: Yellowstone 's previous eruptions 2: 2,000 to 3,000 small earthquakes per year 3: small earthquakes in Yellowstone


Question: 1: It 's called a glassfrog because of its translucent belly . 2: You can see its internal organs from underneath . 3: You can see its internal organs through the translucent skin on its belly .

Answer: 1: glassfrog 2: its 3: its


Question: 1: Instead it ended Tuesday , police say , with the teen heart transplant recipient carjacking someone , burglarizing a home , shooting at an elderly woman , leading police on a high speed chase and then dying after his car hit a pole . 2: Stokes lost control of the car , hit a pedestrian and then a pole , Holland said . 3: Stokes shot at an elderly woman , hit a pedestrian with a stolen car and died in a police chase , authorities said .

Answer:
1: the teen heart transplant recipient 2: Stokes 3: Stokes