Four children run up a small hill.
Boys are trekking up the hills.
Four children run up is inferred as  Boys are trekking
exists e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_hill(x2) & a_small(s1) & Theme(s1,x2) & n_child(x1) & card_eq_4(x1))
exists e1 s1 x1 x2.(n_hill(x2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_trek(e1) & n_boy(x1))