[Q]: Half of the women were given a daily dose of the drug and half took a placebo.
Half the women received a daily tablet of the combination oestrogen plus progestin while the rest were given a placebo.

[A]: 3

[Q]: Gyorgy Heizler, head of the local disaster unit, said the coach was carrying 38 passengers.
The head of the local disaster unit, Gyorgy Heizler, said the coach driver had failed to heed red stop lights.

[A]: 3

[Q]: Explosion hits oil pipeline in Syria's Homs
Explosion hits pipeline as Assad attacks cities

[A]:
3