A large number of people gathered at an event, eating under an umbrella.
They are no eating
The are eating under an umbrella, not no eating.
exists e1 e2 s1 x1 x2 x3 x4.(for(e1,e2) & under(e2,x4) & n_umbrella(x4) & Actor(e2,x1) & v_eat(e2) & at(e1,x3) & n_event(x3) & Actor(e1,x1) & v_gather(e1) & of(x1,x2) & n_people(x2) & n_number(x1) & a_large(s1) & Theme(s1,x1))
exists p1 x1.(n_thing(x1) & -exists x2.((x1 = x2) & n_eating(x2)))