[Q]: Government bonds sold off sharply after Greenspan told Congress on Tuesday that the U.S. economy " could very well be embarking on a period of extended growth " .

Greenspan told Congress on Tuesday the U.S. economy " could very well be embarking on a period of sustained growth " .
****
[A]: no

[Q]: They returned in 1999 after rebel raids on a neighboring Russian region and a series of deadly apartment-building bombings that were blamed on the rebels .

In 1999 , troops returned after rebel raids on a neighbouring Russian region and a series of deadly apartment-house bombings in Russian cities that were blamed on the rebels .
****
[A]: yes

[Q]: Last week , Prime Minister Atal Bihari Vajpayee ended an 18-month chill in relations by ordering normalisation of diplomatic ties and restoration of air services with Pakistan .

The move follows a recent proposal by Mr Vajpayee , whoended an 18-month chill in relations by ordering normalisation of diplomatic links and restoration of air services with Pakistan .
****
[A]: no

[Q]: Some Boston managers are concerned that banning smoking will create safety hazards as groups of smokers huddle outside bars and nightclubs .

Some Boston bar managers said they worry that banning smoking will create a hazard as groups of smokers huddle outside on sidewalks and in parking lots to smoke .
****
[A]:
yes