A young child rides a motorbike through the mud.
A kid is playing in the mud with a dirtbike.
child rides a motorbike through the mud is same as kid is playing in the mud with a dirtbike.
exists e1 s1 x1 x2 x3.(n_mud(x3) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_motorbike(x2) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_mud(x2) & with(e1,x3) & n_dirtbike(x3) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1))