instruction:
In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
question:
When did the facebook messenger app come out?
answer:
When was the facebook messenger app originally developed as Facebook Chat?


question:
Who controls the house of representatives right now?
answer:
Who controls the 116th congress?


question:
The first law of thermodynamics was developed by?
answer:

A consequence of the first law of thermodynamics, a conservation law for the so-called 'heat of reaction', was developed by?