A man in a yellow rain jacket is playing a musical instrument amidst black and white birds.
A man is playing a tuba outside.
Not all musical instruments are tubas. One can be in a rain jacket and not be outside.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_bird(x4) & a_white(s4) & Theme(s4,x4) & a_black(s3) & Theme(s3,x4) & of(x4,x6) & n_amidst(x6) & of(x4,x5) & n_instrument(x5) & a_musical(s2) & Theme(s2,x4) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_rain(x3) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outside(x2) & of(x2,x3) & n_tuba(x3) & n_man(x1))