[Q]: Sentence: International friendlies give team managers the opportunity to experiment with team selection and tactics before the tournament proper, and also allow them to assess the abilities of players they may potentially select for the tournament squad. Question: What do friendlies allow managers to experiment with?
++++++++++
[A]: yes

[Q]: Sentence: Estimates provided by the SAE - World Council of Hellenes Abroad put the figure at around 7 million worldwide. Question: Who provided the contradictory population numbers for Greeks abroad ?
++++++++++
[A]: yes

[Q]: Sentence: Also during this time, a joint US/UK code-breaking effort (the Venona project)with which the FBI was heavily involvedbroke Soviet diplomatic and intelligence communications codes, allowing the US and British governments to read Soviet communications. Question: What agency did Hoover not tell about the code break and the discoveries gained from it?
++++++++++
[A]:
no