Six rescued after boat capsizes in Dublin Bay

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?
Ten rescued off Waterford, Dublin coasts

At least 6 dead in Paris train crash

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?
At least 6 dead in Canada bus, train crash

the poppies yielded the raw ingredient for heroin.

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?
opium is the raw ingredient for heroin.

zhang yan stated that china opposes using non-proliferation as a pretext for restricting and depriving non-nuclear-weapon states of the right to peaceful use of nuclear energy.

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?
zhang stated-- china opposes restricting the peaceful use of nuclear energy by non-nuclear-weapon states on the basis of non-proliferation because the peaceful use of nuclear energy is a crucial objective of the npt.