A group of people are gathered on a white pillared porch for a photo.
A group is preparing to race.
The groups can't prepared for a race and gather for a photo.
exists e1 s1 s2 x1 x2 x3 x4.(for(e1,x4) & n_photo(x4) & on(e1,x3) & n_porch(x3) & a_pillared(s2) & Theme(s2,x3) & a_white(s1) & Theme(s1,x3) & Theme(e1,x1) & v_gather(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(to(e1,x2) & n_race(x2) & Actor(e1,x1) & v_prepare(e1) & n_group(x1))