A man with glasses and a black t-shirt is playing an orange and black electric guitar and singing.
The man looks happy.
Just because a man is playing a guitar doesn't mean he is happy.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9.(Theme(e1,x5) & Actor(e1,x1) & v_play(e1) & n_singing(x9) & n_guitar(x8) & subset_of(x9,x7) & subset_of(x8,x7) & a_electric(s3) & Theme(s3,x7) & a_black(s2) & Theme(s2,x7) & n_orange(x6) & subset_of(x7,x5) & subset_of(x6,x5) & with(x1,x2) & subset_of(x4,x2) & n_t-shirt(x4) & a_black(s1) & Theme(s1,x4) & subset_of(x3,x2) & n_glass(x3) & n_man(x1))
exists e1 p1 x1.(n_man(x1) & exists s1.(Theme(s1,x1) & a_happy(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1))