Pedestrians walk by outside a cafe.
Some people are laughing outside.
No indication as to the mood of anyone laughing or otherwise.
exists e1 s1 x1 x2.(outside(e1,x2) & n_cafe(x2) & a_by(s1) & Manner(e1,s1) & Theme(e1,x1) & v_walk(e1) & n_pedestrian(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_laugh(e1) & n_people(x1))