Group of tourists photographing from a pier.
A tourists group is taking pictures.
tourists photographing by  taking pictures.
exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & from(e1,x3) & n_pier(x3) & Actor(e1,x2) & v_photograph(e1) & (x1 = x2) & n_tourist(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_picture(x3) & n_group(x1) & of(x1,x2) & n_tourist(x2))