A young boy with an orange shirt on is looking at a tool set with an overturned bike at his side.
A child sits and looks at tools.
A child does not have to be a boy or young.  Just because a boy is looking at a tools it does not mean he sits.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(at(e1,x5) & with(e2,x7) & at(x7,x8) & n_side(x8) & of(x8,x1) & n_male(x1) & n_bike(x7) & a_overturned(s3) & Theme(s3,x7) & Theme(e2,x6) & v_set(e2) & (x5 = x6) & n_tool(x5) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & Theme(s2,x4) & a_on(s2) & (x2 = x4) & n_shirt(x2) & of(x2,x3) & n_orange(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3.(at(e2,x3) & n_tool(x3) & Actor(e2,x2) & v_look(e2) & n_child(x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1))