TASK 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*
PROBLEM: 1: In an audio statement posted online Thursday , ISIS identified two men -- Abu Zakariya al-Tunisi and Abu Anas al-Tunisi -- it said used  automatic weapons and hand grenades  to kill and injure what it called  crusaders and apostates  in the Bardo Museum in Tunis . 2: Authorities there have already arrested nine people in connection with Wednesday 's attack , including four directly linked to the bloodshed , according to a statement from Essebsi . 3: Tunisian authorities arrest 9 in connection with the Bardo Museum attack .

SOLUTION: 1: kill and injure 2: Wednesday 's attack 3: the Bardo Museum attack

PROBLEM: 1: The fire had been extinguished by Wednesday night , Pemex said in a Twitter post . 2: The state oil company has n't said what caused the fire on the platform , which is located in the Gulf of Mexico 's Campeche Sound . 3: The fire on a platform in the Gulf of Mexico has been extinguished , Pemex says .

SOLUTION: 1: The fire 2: the fire on the platform , which is located in the Gulf of Mexico 's Campeche Sound 3: The fire on a platform in the Gulf of Mexico

PROBLEM: 1: To get there , it might look to Sanford for guidance . 2: The new chief in Ferguson will likely need to do some of the same things , Smith says . 3: Ferguson might look to Sanford , Florida 's experience when choosing a new chief .

SOLUTION:
1: it 2: Ferguson 3: Ferguson