premise: The team swiftly moves their traditional boat down the river.
hypothesis: The river is wild
explanation_1: The river is not necessarily wild.
explanation_2: as the team swiftly moves their boat does't mean that the river is wild
explanation_3: Moving swiftly doesn't mean the River snake has returned.
premise_logic: exists e1 s1 s2 x1 x2 x3.(n_river(x3) & n_boat(x2) & a_traditional(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_team(x1) & a_swiftly(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_move(e1) & down(x2,x3))
hypothesis_logic: exists s1 x1.(n_river(x1) & Theme(s1,x1) & a_wild(s1))
premise_sim: exists e1 s1 s2 x1 x2 x3.(v_move(e1) & of(x2,x1) & n_thing(x1) & n_team(x1) & n_river(x3) & n_boat(x2) & down(x2,x3) & a_traditional(s1) & a_swiftly(s2) & Theme(s1,x2) & Theme(e1,x2) & Manner(e1,s2) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_river(x1) & a_wild(s1) & Theme(s1,x1))