Many people walking together on pavement near a brick building with other people looking on .
There is a very good chance that an angry mob walks near a building near a group of onlookers
It is probably not the case that an angry mob walks near a building near a group of onlookers
There is a very good chance that an angry mob walks near a building near a group of onlookers
an angry mob walks near a building near a group of onlookers