A bearded man in a white t-shirt is riding a motorcycle.
A hairy biker, dressed in white, rides away.
The bearded man might not be hairy. Just because a man is riding a motorcycle doesn't mean he is riding away.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x3) & in(x1,x2) & n_t-shirt(x2) & a_white(s2) & Theme(s2,x2) & n_man(x1) & a_bearded(s1) & Theme(s1,x1))
exists e1 e2 s1 s2 s3 x1 x2 x3.(a_away(s3) & Manner(e2,s3) & Actor(e2,x1) & v_ride(e2) & Theme(e1,s2) & Theme(s2,x3) & a_white(s2) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_biker(x1) & a_hairy(s1) & Theme(s1,x1))