A group of children sit against a fence, covered with a blanket.
A group of children are playing tag.
People can't play tag while sitting against a fence.
exists e1 e2 x1 x2 x3 x4 x5.(against(e1,x3) & with(e2,x5) & n_blanket(x5) & Theme(e2,x4) & v_cover(e2) & (x3 = x4) & n_fence(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_tag(x3) & of(x1,x2) & n_child(x2) & n_group(x1))