A person in a yellow and black costume with a white mask is on a platform, contorting themselves.
A person in costume is contorting themselves.
Both sentences says person contorting themselves
exists e1 p1 s1 s2 s3 x1 x2 x3 x4.(n_group(x4) & for(p1,e1) & Theme(e1,x4) & Actor(e1,x1) & v_contort(e1) & exists x5.(on(x1,x5) & n_platform(x5)) & in(x1,x2) & with(x2,x3) & n_mask(x3) & a_white(s3) & Theme(s3,x3) & n_costume(x2) & a_black(s2) & Theme(s2,x2) & a_yellow(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1 x2 x3.(n_group(x3) & Theme(e1,x3) & Actor(e1,x1) & v_contort(e1) & in(x1,x2) & n_costume(x2) & n_person(x1))