Three people are looking at sculptures made of rocks located on a body of water.
Three people observing rocks.
Looking at and observing are both used to explain an action of noticing something, such as rocks.
exists e3 e2 e1 x1 x2 x3 x4 x5 x6 x7.(at(e1,x2) & of(e2,x4) & on(e3,x6) & of(x6,x7) & n_water(x7) & n_body(x6) & Theme(e3,x5) & v_locate(e3) & (x4 = x5) & n_rock(x4) & Theme(e2,x3) & v_make(e2) & (x2 = x3) & n_sculpture(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_observe(e1) & n_rock(x3) & (x1 = x2) & n_people(x1) & card_eq_3(x1))