options: m : you should go out earlier so that you wo n't miss the bus . m : even though the bus broke down , you also arrived on time . m : i saw a woman hitting by a car so i took her to hospital . m : i 'm glad you were n't hurt . then what happen to the bus ?
article: m : what happened to you ? you are so late . f : that bus i took broke down in front of the hospital , and i had to walk from there .