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*

Ex Input:
1: While individual fighters are not always accepted , volunteers working as military trainers are sharing their expertise to support those on the front lines of the fight against ISIS forces . 2: Providing noncombat backing , such as medical , weaponry , logistical and training assistance would appear , he thinks , to be the best way of supporting those Kurdish and Arab troops on the front . 3: Training and logistical support , some argue , is the best way to support the fight against ISIS .

Ex Output:
1: their expertise 2: training assistance 3: Training

Ex Input:
1: According to the White House , only if the President of the United States says it is . 2: But administrations often choose to conclude deals with foreign states that do n't satisfy that requirement . 3: White House , many Republicans disagree over deal terminology , requirements .

Ex Output:
1: the White House 2: administrations 3: White House

Ex Input:
1: The solar-powered plane took off from Abu Dhabi in the United Arab Emirates early on Monday with pilot Andre Borschberg at the controls for the 400-kilometer ( 250 mile ) flight . 2: The pair will also split ocean-flying duties : Piccard will take on the five-day , five-night journey across the Pacific , while Borschberg will tackle the Atlantic . 3: Pilot Andre Borschberg was at the controls ; Bertrand Piccard will tackle the second journey .

Ex Output:
1: pilot Andre Borschberg 2: Borschberg 3: Pilot Andre Borschberg