A hotdog vendor looks sad.
A hotdog vendor is happy and laughing.
the vendor is either sad or happy and laughing.
exists e1 p1 x1 x2.(exists s1.(Theme(s1,x1) & a_sad(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1) & n_vendor(x1) & of(x1,x2) & n_hotdog(x2))
exists s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x4,s1) & n_laughing(x4) & subset_of(x1,s1) & Theme(s2,x3) & a_happy(s2) & (x1 = x3) & n_vendor(x1) & of(x1,x2) & n_hotdog(x2))