Group of pale brown and black pugs playing on grass.
The pugs are playing happily.
Playing does not imply playing happily.
exists e1 s1 s2 s3 s4 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & on(e1,x3) & n_grass(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_pug(x1) & a_black(s4) & Theme(s4,x1) & a_brown(s3) & Theme(s3,x1) & a_pale(s2) & Theme(s2,x1))
exists e1 s1 x1.(n_pug(x1) & a_happily(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1))