A man in a striped polo plays a blue electric guitar.
The man is riding a unicycle in the circus.
The man would not be playing an electric guitar if he is riding a unicycle as those activities are not done together.
exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & a_electric(s3) & Theme(s3,x3) & a_blue(s2) & Theme(s2,x3) & in(x1,x2) & n_polo(x2) & a_striped(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(n_circus(x3) & n_man(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_unicycle(x2))