A man pick a stone at the sea
The man picked up a large stone and threw it in the sea.
A man picked up a stone is not necessary to threw it in the sea.
exists e1 x1 x2 x3.(n_sea(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_stone(x2) & n_man(x1))
exists e2 e1 s1 s2 x1 x2 x3.(n_sea(x3) & n_man(x1) & in(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_throw(e2) & n_thing(x2) & a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_stone(x2) & a_large(s1) & Theme(s1,x2))