a dog chilling on a bench while he has two biker observing him
The bikers are preparing to feed the dog.
Two bikers observing the dog does not imply that they are preparing to feed the dog.
exists e1 p1 x1 x2 x3.(a_topic(x1) & exists e3 e2 x1 x4 x5.(Theme(e3,x4) & Actor(e3,x1) & v_have(e3) & Theme(e2,x1) & Actor(e2,x5) & v_observe(e2) & n_male(x1) & (x4 = x5) & n_biker(x4) & card_eq_2(x4)) & n_male(x1) & while(e1,p1) & on(e1,x3) & n_bench(x3) & Actor(e1,x2) & v_chill(e1) & (x1 = x2) & n_dog(x1))
exists e1 p1 x1 x2.(n_dog(x2) & n_biker(x1) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_feed(e2)))