premise: A person is wearing a helmet and protective clothing while riding a four-wheeled vehicle.
hypothesis: The person is wearing black.
explanation_1: Wearing black does not imply that it is a helmet.
explanation_2: You can not infer the person is wearing black.
explanation_3: Not everyone wears black.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(while(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_ride(e2) & n_vehicle(x5) & a_four-wheeled(s2) & Theme(s2,x5) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_clothing(x4) & a_protective(s1) & Theme(s1,x4) & n_helmet(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_person(x1))
hypothesis_logic: exists e1 p1 x1.(n_person(x1) & exists s1.(Theme(s1,x1) & a_black(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_wear(e1))