The couple pushed the strollers across the wood bridge and the dogs followed.
People and animals cross a bridge.
The people and animals that cross a bridge is a couple and dogs.
exists e2 e1 x1 x2 x3 x4 x5.(n_dog(x5) & n_bridge(x3) & of(x3,x4) & n_wood(x4) & n_stroller(x2) & n_couple(x1) & Actor(e2,x5) & v_follow(e2) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & across(x2,x3))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_cross(e1) & n_bridge(x4) & subset_of(x3,x1) & n_animal(x3) & subset_of(x2,x1) & n_people(x2))