Chinese kids in orange uniforms perform a routine.
The kids a performing a martial arts demonstration.
Just because kids are Chinese and perform a routine it does not mean they are performing martial arts.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_perform(e1) & n_routine(x4) & in(x1,x2) & n_uniform(x2) & of(x2,x3) & n_orange(x3) & n_kid(x1) & a_chinese(s1) & Theme(s1,x1))
exists x3.(n_kid(x3) & all x1 e1 s1 x2.((n_demonstration(x1) & of(x1,x2) & n_art(x2) & a_martial(s1) & Theme(s1,x1) & Actor(e1,x1) & v_perform(e1)) -> (a_topic(x3) & for(x3,x1))))