Some Asians gather for an event in a gymnasium.
Mexicans watch a gymnast perform.
Asians and Mexicans are two different groups of people
exists e1 x1 x2 x3.(for(e1,x2) & in(x2,x3) & n_gymnasium(x3) & n_event(x2) & Actor(e1,x1) & v_gather(e1) & ne_nam_asians(x1))
exists e1 e2 x1 x2 x3.(ne_nam_mexicans(x1) & Actor(e2,x1) & v_perform(e2) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_gymnast(x3) & (x1 = x2))