Children play barefoot in the sand next to a rusting oil pipeline.
Children are playing in sand.
People usually play barefoot in the sand so barefoot indicates they are playing in the sand.
exists e1 s1 x1 x2 x3 x4 x5.(n_sand(x3) & to(e1,x4) & n_pipeline(x4) & of(x4,x5) & n_oil(x5) & a_rusting(s1) & Theme(s1,x4) & r_next(e1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_barefoot(x2) & n_child(x1))
exists e1 x1 x2.(in(e1,x2) & n_sand(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))