| 1. | Dorabella and the disguised Guglielmo pair off, as do the other two.
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| 2. | Brendan and Sharon pair off and have sex in a storage room.
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| 3. | When mating, males and females within a single group pair off.
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| 4. | Men and women pair off depending on who draws which keys.
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| 5. | Remaining carriers would be expected to pair off quickly in defense.
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| 6. | People meet on the dance floor, pair off, share a beer.
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| 7. | In between, the leaders will pair off in various combinations for bilateral meetings.
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| 8. | "The members of the court don't pair off, " he said.
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| 9. | The group members are instructed to pair off and clean the cemetery statues.
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| 10. | We pair off, with a video camera provided for each pair.
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