distractors: ago after former
sentence: The first  strange  event that happened in that house was when my mother was about 10 years old.She was staying home sick with her brother.He had gone  downstairs  to the kitchen when my mother heard a voice calling her name from the bottom of the stairs.The voice was  female  but that was impossible since the only other person in the house was her brother.That was followed by footsteps  coming up  the stairs to the top room.A few hours  [MASK]  her brother came up to see what she was doing.She asked him who the girl on the stairs was.He said there was no one in the house.