A boy in blue jeans is playing with a toy car on the lawn.
a boy is playing with some toys at the park
There's no way of knowing that the boy is playing in the park because the lawn he's playing on might be in his backyard or at his school.
exists e1 s1 x1 x2 x3 x4 x5.(n_lawn(x5) & on(e1,x5) & with(e1,x3) & n_car(x3) & of(x3,x4) & n_toy(x4) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_jeans(x2) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2 x3.(n_park(x3) & with(e1,x2) & at(x2,x3) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))