premise: Men walk in line carrying things.
hypothesis: While carrying their load, the men walked one behind the other.
explanation_1: One must walk one behind the other to walk in a line.
explanation_2: If the men walk in line they would be one behind another.
explanation_3: The men are carry a load of things together.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x3) & Theme(e1,x5) & Actor(e1,x4) & v_carry(e1) & n_thing(x5) & (x3 = x4) & n_line(x3) & n_walk(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists e2 e1 x1 x2 x3 x4 x5.(n_other(x5) & n_man(x3) & while(e2,e1) & behind(e2,x5) & Theme(e2,x4) & Actor(e2,x3) & v_walk(e2) & n_thing(x4) & card_eq_1(x4) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_load(x2) & of(x2,x1) & n_thing(x1) & n_thing(x1))