There is a little boy in a red jacket walking down the railroad tracks and holding a stick.
A little boy in a blue jacket sits in his room.
A boy can't be walking down railroad tracks while he sits in his room. If his jacket is blue, it can't be red.
exists e1 e2 p1 s1 x1 x2 x3 x4.(n_track(x2) & of(x2,x3) & n_railroad(x3) & for(p1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_hold(e2) & n_stick(x4) & for(p1,e1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & exists s2 s3 x5 x6.((x1 = x5) & in(x5,x6) & n_jacket(x6) & a_red(s3) & Theme(s3,x6) & n_boy(x5) & a_little(s2) & Theme(s2,x5)))
exists e1 s1 s2 x1 x2 x3.(in(e1,x3) & n_room(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_jacket(x2) & a_blue(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))