Cartier's Offering a Stop Watch Implies That Seiko Has Leather

Multiple Choice

Cartier's offering a stop watch implies that Seiko has leather bands, provided that both Rado advertises a calendar model and Tissot has luminous hands.

A) (R • T) ⊃ (C ⊃ S)
B) (R ⊃ C) • (T ⊃ S)
C) (C ⊃ S) ⊃ (R • T)
D) [R ⊃ (C ⊃ S) ] • [T ⊃ (C ⊃ S) ]
E) (R ∨ T) ⊃ (C ⊃ S)