A man is walking down the beach using a metal detector, on a bright sunny day.
A man is searching for lost jewelry on the beach.
Just because a man is walking down the beach using a metal detector doesn't mean he is searching for lost jewelry on the beach.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5.(n_beach(x2) & for(e1,e2) & on(e2,x5) & n_day(x5) & a_sunny(s3) & Theme(s3,x5) & a_bright(s2) & Theme(s2,x5) & Theme(e2,x3) & Actor(e2,x1) & v_use(e2) & n_detector(x3) & of(x3,x4) & n_metal(x4) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
exists e1 e2 x1 x2 x3.(n_beach(x3) & for(e1,x2) & on(x2,x3) & n_jewelry(x2) & Theme(e2,x2) & v_lose(e2) & Actor(e1,x1) & v_search(e1) & n_man(x1))