Two boys holding a green rope and competing against each other on a balancing rod, while others look on.
Two boys studying.
Two boys holding a green rope and competing against each other on a balancing rod can't be studying at the same time.
exists e1 e2 p1 p2 s1 x1 x2 x3 x4 x5 x6 x10.(a_topic(x1) & exists e4 p4 x9.(exists s3.(Theme(s3,x9) & a_on(s3)) & Topic(e4,p4) & Actor(e4,x9) & v_look(e4) & -(x9 = x10) & n_person(x9)) & n_person(x10) & while(e2,p2) & on(e2,x5) & n_rod(x5) & of(x5,x6) & n_balancing(x6) & all x8.(n_other(x8) -> against(e2,x8)) & Actor(e2,x4) & v_compete(e2) & (x1 = x4) & exists e3 p3 x7.(exists s2.(Theme(s2,x7) & a_on(s2)) & Topic(e3,p3) & Actor(e3,x7) & v_look(e3) & -(x7 = x1) & n_person(x7)) & n_person(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_rope(x3) & a_green(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_study(e1) & n_boy(x1) & card_eq_2(x1))