Several people are sitting on a pier above the water.
The people are seated.
If people are sitting on a pier, then they are seated.
exists e1 s1 x1 x2 x3.(n_water(x3) & on(e1,x2) & above(x2,x3) & n_pier(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1.(n_people(x1) & Theme(e1,x1) & v_seat(e1))