A boy without a shirt is running in the street while several people stand behind him.
A young man with no shirt is running in front of a crowd for a marathon.
just because a boy is running on the street that it is not necessarily to be a marathon
exists e1 p1 x1 x2.(n_male(x2) & n_street(x2) & exists e2 s1 x4.(behind(e2,x2) & Actor(e2,x4) & v_stand(e2) & n_people(x4) & a_several(s1) & Theme(s1,x4)) & while(e1,p1) & in(e1,x2) & Actor(e1,x1) & v_run(e1) & -exists x3.(with(x1,x3) & n_shirt(x3)) & n_boy(x1))
exists s1 x1.(-exists e1 x2 x3 x4 x5.(in(e1,x3) & of(x3,x4) & for(x4,x5) & n_marathon(x5) & n_crowd(x4) & n_front(x3) & Actor(e1,x1) & v_run(e1) & with(x1,x2) & n_shirt(x2)) & n_man(x1) & a_young(s1) & Theme(s1,x1))