Assad Accuses US of Fueling Syrian Uprising

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?
Assad says mercenaries are behind Syria unrest

Edward Snowden's father in Moscow

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?
Snowden's father arrives in Moscow

@cicerone imposter, Frank, I observe and perceive.

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?
@Frank Apisa, Frank, I observe and perceive.

helmand province is the world's largest producer of opium.

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?
helmand province is the world's largest opium-producing region.