Which among the following statements is not related to the Indian Ocean?

Option a is related as the Antarcatic Ocean borders the Indian Ocean on the southern part.

Option b is related as the average depth of the Atlantic Ocean is 3700 m while that of the Indian Ocean is 3960 m.

Option c is not related as the Puerto Rico Trench is located on the boundary between the Caribbean Sea and the Atlantic Ocean.

Option d is related as area wise the Indian Ocean comes after the Pacific Ocean and the Atlantic Ocean.