A lady with blue hair sit and plays a guitar in front of a blue wall.
A musician poses for her album cover.
A person playing a guitar doesn't have to be a musician. Just because a lady is sitting and playing a guitar in front of a wall doesn't mean she is posing for her album cover.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(in(e2,x6) & of(x6,x7) & n_wall(x7) & a_blue(s3) & Theme(s3,x7) & n_front(x6) & Theme(e2,x5) & Actor(e2,x3) & v_play(e2) & n_guitar(x5) & with(x3,x4) & n_hair(x4) & a_blue(s2) & Theme(s2,x4) & n_lady(x3) & Actor(e1,x1) & v_sit(e1) & with(x1,x2) & n_hair(x2) & a_blue(s1) & Theme(s1,x2) & n_lady(x1))
exists s1 x1 x2 x3.(a_topic(x1) & for(x1,x2) & n_cover(x2) & of(x2,x3) & n_album(x3) & of(x2,x1) & n_female(x1) & n_pose(x1) & a_musician(s1) & Theme(s1,x1))