Two girls crouch in front of some bushes and talk on their phones.
There are birds in the bush.
Two girls can crouch in front of some bushes that don't have birds.
exists e1 x1 x2 x3 x4 x5 x6.(in(e1,x2) & of(x2,x3) & on(x3,x6) & n_phone(x6) & of(x6,x1) & n_thing(x1) & n_talk(x5) & n_bush(x4) & subset_of(x5,x3) & subset_of(x4,x3) & n_front(x2) & Actor(e1,x1) & v_crouch(e1) & n_girl(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_bush(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_bird(x3)))