instruction:
In this task you're given a question and you have to paraphrase the question to create the output question while retaining the meaning of the original question.
question:
What is the difference between Single -tier and multi-tier crowdfunding?
answer:
What is your review of the SSC CGL tier 2 2016 exam?

question:
Do you believe in time travel? Why?
answer:
Is timetravel possible?

question:
How can I change my alternate email of my Outlook account, which I gave during the time of signing up?
answer:
How can I figure out how many times I've opened up my Gmail account during a particular month?