Two teenage boys practice their soccer skills as their friends stand beside the goal and watch.
They are nervous being watched.
Just because the boys are being watched does not mean they feel nervous, they could have many other emotions as they practice.
exists e1 p1 x1 x2 x3 x4 x5 x6 x7 x8.(n_watch(x8) & n_goal(x7) & subset_of(x8,x6) & subset_of(x7,x6) & exists e2.(beside(e2,x6) & Actor(e2,x5) & v_stand(e2)) & n_friend(x5) & of(x5,x1) & n_thing(x1) & n_thing(x1) & as(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_practice(e1) & n_skill(x3) & of(x3,x4) & n_soccer(x4) & of(x3,x1) & n_boy(x1) & of(x1,x2) & n_teenage(x2) & card_eq_2(x1))
exists e1 s1 x1.(n_thing(x1) & for(s1,e1) & Theme(e1,x1) & v_watch(e1) & Theme(s1,x1) & a_nervous(s1))