The white crane is landing in the water.
The crane is picking up trash from ocean.
A crane does not always land to pick up trash.  A crane can be in the water without being in an ocean.
exists e1 s1 x1 x2.(n_water(x2) & n_crane(x1) & a_white(s1) & Theme(s1,x1) & in(e1,x2) & Actor(e1,x1) & v_land(e1))
exists e1 s1 x1 x2 x3.(n_crane(x1) & from(e1,x3) & n_ocean(x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_trash(x2))