premise: A man with a white shirt and blue jeans are skating on a skating device.
hypothesis: The man has never skated before.
explanation_1: A man with a white shirt and blue jeans that is skating does not infer if the man has never skated before.
explanation_2: A man is skating doesn't imply that he has never skated before.
explanation_3: The fact that the man has never skated before is new information. The reader could not have known that until it was said in Sentence 2.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(on(e1,x5) & n_device(x5) & a_skating(s3) & Theme(s3,x5) & Actor(e1,x1) & v_skate(e1) & with(x1,x2) & subset_of(x4,x2) & n_jeans(x4) & a_blue(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & n_man(x1))
hypothesis_logic: exists e1 s1 s2 x1.(n_man(x1) & a_never(s2) & Manner(e1,s2) & a_before(s1) & Manner(e1,s1) & Actor(e1,x1) & v_skate(e1))
premise_sim: exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(with(x1,x2) & v_skate(e1) & subset_of(x4,x2) & subset_of(x3,x2) & on(e1,x5) & n_shirt(x3) & n_man(x1) & n_jeans(x4) & n_device(x5) & a_white(s1) & a_skating(s3) & a_blue(s2) & Theme(s3,x5) & Theme(s2,x4) & Theme(s1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 s2 x1.(v_skate(e1) & n_man(x1) & a_never(s2) & a_before(s1) & Manner(e1,s2) & Manner(e1,s1) & Actor(e1,x1))