A little boy sitting among others in crowd with a curious look upon his face.
A boy in a blue shirt looks at many people in red shirts.
Just because there is a boy in a crowd does not mean he has to be wearing a blue shirt, looking at anything in particular, or that there are people wearing red shirts in that same crowd.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & upon(e1,x6) & n_face(x6) & of(x6,x1) & n_male(x1) & with(e1,x5) & n_look(x5) & a_curious(s2) & Theme(s2,x5) & in(e1,x4) & n_crowd(x4) & among(e1,x3) & -(x3 = x1) & n_person(x1) & n_person(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3 x4.(at(e1,x3) & in(x3,x4) & n_shirt(x4) & a_red(s2) & Theme(s2,x4) & n_people(x3) & n_quantity(x3) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))