Find, as for the last exercise, a ‘comfortable’ situation, possibly even the same location. For this exercise concentrate on bursts of activity, from which you try to capture a ‘best’ moment. When you’ve finished shooting, review your images and pick out those that, for you best capture a particular moment.
I did this a couple of times, the first one was a preacher reading out the bible and other messages to the public who were walking past just ignoring him. The other two later in the evening, different location but still in Liverpool, the rain was pouring down and it was dark but I managed to get a man who was stood going through loose change and a woman attempting to walk and put up her umbrella against the weather.