Read the following group of sentences. The first and the last sentences are numbered 1 and 6, the rest are numbered P, Q, R, and S. Arrange these four sentences in proper order to form a meaningful paragraph/sentence.

1. Other than Rome, Philadelphia has a maximum number of murals.

P. Jane Golden started a program pairing troubled youths with artists to paint a mural.

Q. Young people got involved in creating magnificent pieces of art.

R. The benefit could immediately be discovered.

S. The young people became more responsible.

6. As a result, the mural program became a model for other US cities seeking to help troubled youth.