When you set up a Monitoring topic, by default all of the sentiments will be included in your results unless you manually remove one or more. As a result, the Sentiment Breakdown chart on your results page will look like this:
In order to isolate the sentiment breakdown of your Agility Monitoring results, simply click on the sentiments that you do not wish to see, and they will become greyed out. Once you've removed the sentiments you do not wish to see, your sentiments chart will look similar to this:
To include the other sentiments again, simply click on them.