A man is siting on the ground strumming an electric guitar.
A man is sitting on the ground outside.
A guitar is not always played outside.
exists e1 e2 s1 x1 x2 x3 x4.(n_ground(x2) & on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_strum(e2) & n_guitar(x4) & a_electric(s1) & Theme(s1,x4) & (x2 = x3) & Actor(e1,x1) & v_site(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_outside(x2) & of(x2,x3) & n_ground(x3) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))