premise: A shirtless man is cooking on an outdoor grill.
hypothesis: Someone is grilling burgers.
explanation_1: Any item may be grilled, not only burgers.
explanation_2: Someone can be anyone not just a shirtless man.  Just because a  man is cooking on a grill it does not mean he is grilling burgers.
explanation_3: Just because a shirtless man is cooking on an outdoor grill does not mean he is grilling burgers.
premise_logic: exists e1 s1 s2 x1 x2.(on(e1,x2) & n_grill(x2) & a_outdoor(s2) & Theme(s2,x2) & Actor(e1,x1) & v_cook(e1) & n_man(x1) & a_shirtless(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_grill(e1) & n_burger(x2) & n_person(x1))
premise_sim: exists e1 s1 s2 x1 x2.(v_cook(e1) & on(e1,x2) & n_man(x1) & n_grill(x2) & a_shirtless(s1) & a_outdoor(s2) & Theme(s2,x2) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_grill(e1) & n_person(x1) & n_burger(x2) & Theme(e1,x2) & Actor(e1,x1))