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: ( CNN ) Since the headline-grabbing murder of American journalist James Foley by ISIS militants eight months ago , the world has been regularly confronted with a modern form of an ancient , primally horrifying method of execution . 2: But beyond this , some experts such as psychology professor Arie W . Kruglanski suggest , the wave of savage beheadings may be having an unlikely knock-on effect . 3: The wave of ISIS beheadings has horrified people all over the world .

1: a modern form of an ancient , primally horrifying method of execution 2: the wave of savage beheadings 3: The wave of ISIS beheadings