A dirt bike rider in an orange an white uniform riding a dirt bike in a stadium.
A bike rider is performing for a sold-out audience.
A performance in a stadium  does not necessarily be for a sold-out audience.
exists x1 x2 x3.(all x4 s1.((n_uniform(x4) & a_white(s1) & Theme(s1,x4)) -> exists e1 x5 x6 x7 x8 x9.(a_topic(x1) & in(x1,x5) & in(e1,x9) & n_stadium(x9) & Theme(e1,x7) & Actor(e1,x6) & v_ride(e1) & n_bike(x7) & of(x7,x8) & n_dirt(x8) & (x5 = x6) & for(x5,x4) & n_orange(x5))) & n_rider(x1) & of(x1,x3) & n_bike(x3) & of(x1,x2) & n_dirt(x2))
exists e1 s1 x1 x2 x3.(for(e1,x3) & n_audience(x3) & a_sold-out(s1) & Theme(s1,x3) & Actor(e1,x1) & v_perform(e1) & n_rider(x1) & of(x1,x2) & n_bike(x2))