premise: The man without a shirt is sitting on a rock by a tree.
hypothesis: The shirtless man sunbathed on the rock,
explanation_1: There is no mention what time, or what the weather conditions are, the man has not necessarily sunbathed on the rock.
premise_logic: exists e1 x1 x2 x3.(n_man(x1) & by(e1,x3) & n_tree(x3) & on(e1,x2) & n_rock(x2) & Actor(e1,x1) & v_sit(e1) & -exists x4.(with(x1,x4) & n_shirt(x4)))
hypothesis_logic: exists e1 s1 x1 x2 x3.(n_rock(x3) & n_man(x1) & a_shirtless(s1) & Theme(s1,x1) & a_topic(x1) & on(e1,x3) & Theme(e1,x2) & v_sunbathe(e1) & (x1 = x2))
premise_sim: exists e1 x1 x2 x3.(v_sit(e1) & on(e1,x2) & n_tree(x3) & n_rock(x2) & n_man(x1) & by(e1,x3) & all x4.(-with(x1,x4) | -n_shirt(x4)) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2 x3.(v_sunbathe(e1) & on(e1,x3) & n_rock(x3) & n_man(x1) & a_topic(x1) & a_shirtless(s1) & Theme(s1,x1) & Theme(e1,x2) & (x1 = x2))