Crowd of people climbing stairs to a platform.
Crowd of people are eating pizza.
The people are climbing stairs or eating pizza.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & to(e1,x5) & n_platform(x5) & Theme(e1,x4) & Actor(e1,x3) & v_climb(e1) & n_stair(x4) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_eat(e1) & n_pizza(x3) & of(x1,x2) & n_people(x2) & n_crowd(x1))