11.   Now, at last, Pele has a chance to prove the sincerity of his tribute.

12.   Sithole called his release from prison a significant step, but added government officials had been untrustworthy in the past and still needed to prove their sincerity.

13.   The government demanded Monday that the armed Basque separatist group ETA prove the sincerity of its recent peace overtures by disbanding itself and surrendering its weapons.

14.   Timofeyev describes tagging along with his American target to a yoga seminar in a provincial Indian city, and being forced to participate to prove his sincerity.

15.   Aung San Suu Kyi hailed US President Bill Clinton for proving his sincerity in imposing sanctions.

16.   Beijing has said Taipei must scrap efforts to rejoin the United Nations and lower its voice in other international organizations to prove its sincerity.