Explanation:
the people was because they do not know what you're prepared to Conjuring the equation of the dignity is forest in a crore
I think the statement that correctly uses commas is, "Tony thought the problem seemed simple. After working on it for an hour, however, he changed his mind." In this statement, it clearly sends the message that after Tony worked on the problem for an hour, he concluded that is was not an easy problem.
I think it is c) to get people to understand that they should have blue lights everywhere
