premise: Two elderly men are sitting on a boat that appears to be traveling down a river in the middle of the forest.
hypothesis: Two men are sitting on a boat
explanation_1: Two elderly men can also be two men
explanation_2: "Two men are sitting on a boat" is a slight rephrasing of "Two elderly men are sitting on a boat."
explanation_3: two elderly men are sitting on a boat that appears to be travelling down a river in the middle of the forest
premise_logic: exists e1 e2 p1 s1 x1 x2 x3 x5 x6.(n_forest(x6) & n_middle(x5) & on(e1,x2) & Topic(e2,p1) & Actor(e2,x3) & v_appear(e2) & exists e3 x4.(in(e3,x5) & of(x5,x6) & down(e3,x4) & n_river(x4) & Actor(e3,x3) & v_travel(e3)) & (x2 = x3) & n_boat(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_elderly(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_boat(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))