A man in a white robe leading other people in a line dance of some sort.
A man tries to pet a dog.
If a man is leading a line dance he does not try to pet a dog.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_people(x5) & a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_lead(e1) & in(x4,x6) & of(x6,x8) & n_sort(x8) & n_dance(x6) & of(x6,x7) & n_line(x7) & -(x4 = x5) & n_people(x4) & (x2 = x3) & n_robe(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1.(all x2.(n_dog(x2) -> exists x3.(to(e1,x3) & for(x3,x2) & n_pet(x3))) & Actor(e1,x1) & v_try(e1) & n_man(x1))