A group of children with red life vests standing on top of large rocks in the woods.
A group of children are swimming in the lake.
Children can't be swimming and standing at the same time.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_wood(x8) & a_topic(x1) & in(e1,x8) & on(e1,x6) & of(x6,x7) & n_rock(x7) & a_large(s2) & Theme(s2,x7) & n_top(x6) & Actor(e1,x5) & v_stand(e1) & (x1 = x5) & of(x1,x2) & with(x2,x3) & n_vest(x3) & of(x3,x4) & n_life(x4) & a_red(s1) & Theme(s1,x3) & n_child(x2) & n_group(x1))
exists e1 x1 x2 x3.(n_lake(x3) & in(e1,x3) & Actor(e1,x1) & v_swim(e1) & of(x1,x2) & n_child(x2) & n_group(x1))