Children ride a balloon ride in an amusement park.
Adults are playing poker
Children are not adults, and if they are ride a balloon ride in the amusement park, they are likely outside and not on the ground whereas people who are playing poker are doing a very different activity, and are likely inside at ground level.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & in(x2,x4) & n_park(x4) & of(x4,x5) & n_amusement(x5) & n_ride(x2) & of(x2,x3) & n_balloon(x3) & n_child(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_poker(x2) & n_adult(x1))