Given the task definition and input, reply with output. 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.

Context: Even though I am not mandated by law to do so, I will be leaving my busineses before January 20th so that I can focus full time on the...... Donald J. Trump (@realDonaldTrump) December 13, 2016 Question: when will donald trump leave his businesses?
before january 20