Two people, a boy in yellow and girl in brown, standing at the shore of a lake.
Two boys are at the river.
The people are either a boy and a girl or they are two boys.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_shore(x8) & a_topic(x1) & rel(x1,x2) & subset_of(x5,x2) & at(e1,x8) & of(x8,x9) & n_lake(x9) & Actor(e1,x7) & v_stand(e1) & (x5 = x7) & in(x5,x6) & n_brown(x6) & n_girl(x5) & subset_of(x3,x2) & in(x3,x4) & n_yellow(x4) & n_boy(x3) & n_people(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_river(x2) & at(x1,x2) & n_boy(x1) & card_eq_2(x1))