A Native American Performance is put on for spectators.
A man drinks a beer.
The performance would interfere with someone drinking a beer.
exists e1 s1 s2 x1 x2.(r_on(e1) & for(e1,x2) & n_spectator(x2) & Theme(e1,x1) & v_put(e1) & n_performance(x1) & a_american(s2) & Theme(s2,x1) & a_native(s1) & Theme(s1,x1))
all x1.(n_beer(x1) -> exists x2 x3.(a_topic(x2) & for(x2,x1) & n_drink(x2) & of(x2,x3) & n_man(x3)))