Group sitting on a grassy hill resting.
A couple of people are walking along a grassy hill.
Sentence one a group of people are sitting on a hill Sentence two only a couple of people are walking along a hill
exists e1 e2 s1 s2 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & on(e1,x2) & Actor(e2,x3) & v_rest(e2) & (x2 = x3) & n_hill(x2) & a_grassy(s2) & Theme(s2,x2) & Actor(e1,x1) & v_sit(e1) & (s1 = x1))
exists e1 s1 x1 x2 x3.(along(e1,x3) & n_hill(x3) & a_grassy(s1) & Theme(s1,x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_couple(x1))