A group of traditional Mexican dancers twirl their flowing skirts.
The dancers are performing at a ceremony
A group of traditional Mexican dancers twirl their flowing skirts does not imply that they are performing at a ceremony
exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_twirl(e1) & n_skirt(x3) & a_flowing(s3) & Theme(s3,x3) & of(x3,x1) & n_thing(x1) & of(x1,x2) & n_dancer(x2) & a_mexican(s2) & Theme(s2,x2) & a_traditional(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(n_dancer(x1) & at(e1,x2) & n_ceremony(x2) & Actor(e1,x1) & v_perform(e1))