A white dog walking beside a bicycler.
A dog walking down the street alone.
A dog would not be alone if beside a bicycler
exists e1 s1 x1 x2 x3.(a_topic(x1) & beside(e1,x3) & n_bicycler(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & down(e1,x3) & r_alone(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_dog(x1))