premise: Several dancers are doing leg lifts on stage.
hypothesis: The dancers are swimming in a lake.
explanation_1: The dancers can't be on a stage while in a lake.
explanation_2: If dancers are doing leg lifts on stage they are not swimming in a lake.
explanation_3: The dancers cannot be doing leg lifts and swimming at the same time.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_do(e2) & on(e1,x4) & n_stage(x4) & Actor(e1,x3) & v_lift(e1) & (x2 = x3) & n_leg(x2) & n_dancer(x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_dancer(x1) & in(e1,x2) & n_lake(x2) & Actor(e1,x1) & v_swim(e1))