Young child in a white jacket standing in front of a bike.
the child is by his bike
To be by his bike is the same as in front of.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & in(x2,x4) & of(x4,x5) & n_bike(x5) & n_front(x4) & n_standing(x2) & of(x2,x3) & n_jacket(x3) & a_white(s2) & Theme(s2,x2) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_bike(x2) & of(x2,x1) & n_male(x1) & n_child(x1) & by(x1,x2))