A park scene featuring people riding bikes.
People are fishing in a lake
Riding bikes and fisshing in a lake are different activities.
exists e1 e2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e2,x4) & Actor(e2,x3) & v_feature(e2) & Theme(e1,x6) & Actor(e1,x5) & v_ride(e1) & n_bike(x6) & (x4 = x5) & n_people(x4) & (x1 = x3) & n_scene(x1) & of(x1,x2) & n_park(x2))
exists e1 x1 x2.(in(e1,x2) & n_lake(x2) & Actor(e1,x1) & v_fish(e1) & n_people(x1))