A man with jeans and a brown shirt is bending over to examine the wheel of a black train that is on a railroad track.
He is riding on the train.
If you're bending over to examine the wheel of a black train you're not at the same time riding on that train.
exists e1 p1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_wheel(x9) & Topic(e1,p1) & exists e2 p2 s4 x10 x11.(Theme(e2,x9) & Actor(e2,x1) & v_examine(e2) & of(x9,x10) & exists x12 x13.(on(x11,x12) & n_track(x12) & of(x12,x13) & n_railroad(x13)) & (x10 = x11) & n_train(x10) & a_black(s4) & Theme(s4,x10)) & a_over(s3) & Manner(e1,s3) & Actor(e1,x5) & v_bend(e1) & with(x5,x6) & subset_of(x8,x6) & n_shirt(x8) & a_brown(s2) & Theme(s2,x8) & subset_of(x7,x6) & n_jeans(x7) & n_man(x5) & with(x1,x2) & subset_of(x4,x2) & n_shirt(x4) & a_brown(s1) & Theme(s1,x4) & subset_of(x3,x2) & n_jeans(x3) & n_man(x1))
exists e1 x1 x2.(n_train(x2) & n_male(x1) & on(e1,x2) & Actor(e1,x1) & v_ride(e1))