The correct combination of the following sentence : "It was winter. We went to Cox's Bazar.We wanted to see the sea beach.That was longest in the world. " would be-

In winter we went to Cox's Bazar to see the longest sea beach in the world

In winter it is beautiful to see the longest sea beach in Cox's Bazar

In winter we wented to see the longest sea beach of Cox's Bazar

In winter Cox's Bazar was the longest sea beach to see