premise: A topless man straps surfboards on top of his blue car.
hypothesis: A man secures surfboards on his car.
explanation_1: A topless man is a man and by him strapping/securing surfboards on his (blue) car.
explanation_2: A man secures his surfboards by strapping it on his car.
explanation_3: Straps is a paraphrase of secures, and topless man is a type of man.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x3) & of(x3,x4) & n_car(x4) & a_blue(s2) & Theme(s2,x4) & of(x4,x1) & n_male(x1) & n_top(x3) & Theme(e1,x2) & Actor(e1,x1) & v_strap(e1) & n_surfboard(x2) & n_man(x1) & a_topless(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_car(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_secure(e1) & n_surfboard(x2) & n_man(x1))