Woah! Thanks for the warning! So we waiting for the No. 27 bus in Mission on the corner of 24th and Bryant when we spotted this very odd sign. The message, very clearly, is: 1. It's better to do you business on the pot than crouched in the street, 2. It's better to throw bottles in a recycling container than on the ground, 3. it's better to exchange greetings with your neighbor than gunfire.
We decided to look up look up the organization that is trying to reform behavior by a simple picto