premise: Two men are working together to empty the barrel of its contents.
hypothesis: Two men are emptying a barrel.
explanation_1: "Empty the barrel" is a rephrase of "emptying a barrel."
explanation_2: Two men working together are a type of two men, and emptying a barrel is a paraphrase of to empty the barrel.
explanation_3: Two men are working together to empty the barrel so they are  emptying a barrel.
premise_logic: exists e1 p1 s1 x1 x2 x3 x4.(n_contents(x4) & of(x4,x3) & n_thing(x3) & n_barrel(x3) & Topic(e1,p1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_empty(e2) & of(x3,x4)) & a_together(s1) & Manner(e1,s1) & Actor(e1,x2) & v_work(e1) & n_man(x2) & card_eq_2(x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_empty(e1) & n_barrel(x2) & n_man(x1) & card_eq_2(x1))
premise_sim: exists e1 p1 s1 x1 x2 x3 x4.(v_work(e1) & of(x4,x3) & n_thing(x3) & n_man(x2) & n_man(x1) & n_contents(x4) & n_barrel(x3) & exists e2.(v_empty(e2) & of(x3,x4) & Theme(e2,x3) & Actor(e2,x1)) & card_eq_2(x2) & card_eq_2(x1) & a_together(s1) & Topic(e1,p1) & Manner(e1,s1) & Actor(e1,x2))
hypothesis_sim: exists e1 x1 x2.(v_empty(e1) & n_man(x1) & n_barrel(x2) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))