People on a brown-sand beach are holding a drift net used for fishing.
People are fishing together.
If they are holding a fishing net they must be fishing.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & for(e1,x6) & n_fishing(x6) & Theme(e1,x5) & v_use(e1) & (x3 = x5) & n_net(x3) & of(x3,x4) & n_drift(x4) & on(x1,x2) & n_beach(x2) & a_brown-sand(s1) & Theme(s1,x2) & n_people(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_fish(e1) & n_people(x1))