Musician in the middle of a large crowd.
A musician is in the middle of people
Middle of a large crowd is the same as in the middle of people.
exists s1 x1 x2 x3.(n_middle(x2) & a_topic(x1) & in(x1,x2) & of(x2,x3) & n_crowd(x3) & a_large(s1) & Theme(s1,x3) & n_musician(x1))
exists p1 x1 x2.(n_middle(x2) & exists x3.(in(x1,x2) & of(x2,x3) & n_people(x3)) & n_musician(x1))