premise: Adults with their kids are riding on a small red train.
hypothesis: Some adults without children are on the bus.
explanation_1: Bus and train are different vehicles.
explanation_2: One is either with kids or without children.
explanation_3: Adults with their kids on a small red train can't be on a bus without children at the same time.
premise_logic: exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_train(x3) & a_red(s2) & Theme(s2,x3) & a_small(s1) & Theme(s1,x3) & Actor(e1,x1) & v_ride(e1) & with(x1,x2) & n_kid(x2) & of(x2,x1) & n_thing(x1) & n_adult(x1))
hypothesis_logic: exists p1 x1 x3.(n_bus(x3) & on(x1,x3) & -exists x2.(with(x1,x2) & n_child(x2)) & n_adult(x1))