Ankara says all four suicide bombers were Turkish.

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?
Turkish authorities have said all the suicide bombers were Turks.

More than 100 officers launched the London raids in the final phase of a two-year operation investigating a cocaine and money laundering ring.

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?
More than 100 police officers were involved in the busts that were the culmination of a two-year operation investigating the cocaine importing and money laundering gang.

Obama Secret Service agents sent home

What is a sentence that would be (on a scale from 0 to 5) a 0 out of 5 in terms of textual similarity to the above sentence?
Obama praises U.S.-Latin America trade ties

A plane is landing on a runway.

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?
An airplane moves along a runway.