A yellow car is driving away from the water.
A cab is driving away
Not all yellow cars are a cab.
exists e1 s1 x1 x2.(n_water(x2) & from(e1,x2) & r_away(e1) & Actor(e1,x1) & v_drive(e1) & n_car(x1) & a_yellow(s1) & Theme(s1,x1))
exists e1 s1 x1.(a_away(s1) & Manner(e1,s1) & Actor(e1,x1) & v_drive(e1) & n_cab(x1))