In the following question, two columns are given, containing three phrases each. A phrase from the first column may or may not connect with a phrase from the second column to make a grammatically and contextually correct sentence. There are five options, four of which display the sequence(s) in which the phrases can be joined to form a correct sentence. If none of the phrases make a correct sentence, mark ‘None of these’ as your answer.

Column (1)	Column (2)
(A) The mighty god of sea Poseidon ruled the waves	(D) that the ancient seafaring Greeks depended upon.
(B) Some people have pointed out that if spacetime exists as a physical substance,	(E) it would act as a universal frame of reference.
(C) Studying the air trapped in ice can help us understand	(F) the atmospheric concentration of various gases in the distant past.