Which of the following is the best way to revise and combine sentences 1 and 2 (reproduced below to create an effective opening sentence?
There is a government research group known as the Defense Advanced Research Projects Agency, or
DARPA. In 2011 DARPA sponsored a competition known as the "Shredder Challenge."
In 2011 the Defense Advanced Research Projects Agency, or DARPA, sponsored a competition known as
the "Shredder Challenge," and it is a government research group.
O A government research group is known as the Defense Advanced Research Projects Agency, or DARPA,
and they sponsored a 2011 competition known as the "Shredder Challenge."
O In 2011 a government research group known as the Defense Advanced Research Projects Agency, or
DARPA, sponsored a competition known as the "Shredder Challenge."
The Defense Advanced Research Projects Agency, or DARPA, is a government research group and there
was a competition known as the "Shredder Challenge" in 2011 that they sponsored.