A group of people climb into a hot air balloon.
There are people in the hot air balloon.
people in the hot air balloon is rephrasing people climb into a hot air balloon.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & into(x1,x4) & n_balloon(x4) & of(x4,x5) & n_air(x5) & a_hot(s1) & Theme(s1,x4) & of(x1,x2) & Time(x2,x3) & n_climb(x3) & n_people(x2) & n_group(x1))
exists p1 s1 x1 x3 x4.(n_balloon(x3) & of(x3,x4) & n_air(x4) & a_hot(s1) & Theme(s1,x3) & exists x2.((x1 = x2) & in(x2,x3) & n_people(x2)))