A close-up of a brown horse's head.

What is a sentence that would be (on a scale from 0 to 5) a 4 out of 5 in terms of textual similarity to the above sentence?
A close-up view of a horse's head.

The bottom line is that the video clip doesn't show a gas chamber.

What is a sentence that would be (on a scale from 0 to 5) a 5 out of 5 in terms of textual similarity to the above sentence?
They know that the video doesn't show a gas chamber.

'Iran won't accept pre-conditions to nuclear talks'

What is a sentence that would be (on a scale from 0 to 5) a 2 out of 5 in terms of textual similarity to the above sentence?
US, allies to set demands for Iran nuclear talks

Iran steps up sensitive nuclear work - IAEA

What is a sentence that would be (on a scale from 0 to 5) a 3 out of 5 in terms of textual similarity to the above sentence?
Iran expands nuclear enrichment activities: IAEA report