A kid in a white T-shirt doing a stunt on a skateboard while another kid in an orange shirt also on a skateboard looks on.
Two kids sit in the classroom.
You cannot be on a skateboard and doing a stunt while you sit in a classroom.
exists e1 e2 p1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(exists s3.(Theme(s3,x1) & a_on(s3)) & Topic(e2,p1) & Actor(e2,x1) & v_look(e2) & in(x1,x2) & on(e1,x9) & n_skateboard(x9) & a_also(s2) & Manner(e1,s2) & in(e1,x7) & n_shirt(x7) & of(x7,x8) & n_orange(x8) & while(e1,x6) & n_kid(x6) & -(x6 = x1) & n_kid(x1) & n_kid(x1) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & on(x4,x5) & n_skateboard(x5) & n_stunt(x4) & (x2 = x3) & n_t-shirt(x2) & a_white(s1) & Theme(s1,x2))
exists e1 x1 x2.(n_classroom(x2) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_kid(x1) & card_eq_2(x1))