Detailed Instructions: In this task, you are given a context paragraph of the tweet and question. Your task is to generate right answer of given question based on given context tweet paragraph.
Problem:Context: Help us congratulate IMG alum @keinishikori on reaching semi-finals of the @Barclays @ATPWorldTour Finals! #IMGFam IMG Academy (@IMGAcademy) November 13, 2014 Question: what happened at atp world tour?
Solution:
kei nishikori reached semi-finals.