A group of senior citizens are seated at round white tables as they wait for food.
A group of kids are standing in the line for hot dogs.
The people in question can either be a group of senior citizens or a group of kids it cannot be both.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5.(for(e2,x5) & n_food(x5) & Actor(e2,x1) & v_wait(e2) & of(x1,x2) & at(e1,x4) & n_table(x4) & a_white(s3) & Theme(s3,x4) & a_round(s2) & Theme(s2,x4) & as(e1,x1) & n_thing(x1) & Theme(e1,x3) & v_seat(e1) & (x2 = x3) & n_citizen(x2) & a_senior(s1) & Theme(s1,x2) & n_group(x1))
exists e1 s1 x1 x2 x3 x4.(n_line(x3) & for(e1,x4) & n_dog(x4) & a_hot(s1) & Theme(s1,x4) & in(e1,x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_kid(x2) & n_group(x1))