What are the names of the four oceans in order from largest to smallest?

Question

What are the names of the four oceans in order from largest to smallest?

Answer 1

Pacific, Atlantic, Indian, Arctic.

Some geographers and oceanographers also recognize a fifth ocean they call the "Southern Ocean" which is actually larger than the Arctic and Indian Oceans, but is relatively difficult to define the boundary between this ocean and the Pacific, Atlantic, and Indian

Answer 2

Pacific, Atlantic, Indian, and Arctic.  There is a Southern Ocean which is sometimes counted at the fifth, but its usually collaborated with either the Atlantic or Pacific.  

Answer 3

Pacific, Atlantic, Indian, and Arctic