A brown dog appears to be operating a computer.
A dog who enjoys posing for his master.
The dog operating a computer may not be posing or doing it for his master.
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_appear(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_operate(e2) & n_computer(x2)) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(a_topic(x1) & exists e2.(for(e2,x3) & Actor(e2,x2) & v_pose(e2)) & n_master(x3) & of(x3,x1) & n_male(x1) & Topic(e1,p1) & Actor(e1,x2) & v_enjoy(e1) & (x1 = x2) & n_dog(x1))