A singer and her band are performing on stage in a club.
A famous singer performs at a low key venue
Not every singer is famous. A club may not necessarily be a low key venue.
exists e1 x1 x2 x3 x4 x5.(in(e1,x5) & n_club(x5) & on(e1,x4) & n_stage(x4) & Actor(e1,x1) & v_perform(e1) & subset_of(x3,x1) & n_band(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_singer(x2))
exists e1 s1 s2 x1 x2 x3.(at(e1,x2) & n_venue(x2) & of(x2,x3) & n_key(x3) & a_low(s2) & Theme(s2,x2) & Actor(e1,x1) & v_perform(e1) & n_singer(x1) & a_famous(s1) & Theme(s1,x1))