A group of young men is buried up to their chest in sand.
Some of the young men are not buried in the sand.
Some people can be burried up to their chrst and still be burried in sand.
exists e1 s1 s2 x1 x2 x3 x4.(a_up(s2) & Manner(e1,s2) & to(e1,x3) & in(x3,x4) & n_sand(x4) & n_chest(x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x1) & v_bury(e1) & of(x1,x2) & n_man(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists s1 x1 x2 x3.(n_sand(x3) & n_man(x2) & a_young(s1) & Theme(s1,x2) & -exists e1.(in(e1,x3) & Theme(e1,x1) & v_bury(e1)) & of(x1,x2) & n_thing(x1))