81.   The survey was done in October.

82.   The survey was done in partnership with the International Herald Tribune and in association with the Council on Foreign Relations.

83.   This month, they did the survey again.

84.   But another hostage, who runs a local polling firm, did a survey of the captives on the treatment they have received from the MRTA commando.

85.   The survey is best done at night and both US embassy and civil aviation officials speculated that the pilot lost his way.

86.   The survey was done by the Emnid Institute and will appear in the weekly Der Spiegel, due out on Monday.

87.   The survey was done by three private polling firms.