A group of people watch a breakdancer in a red jacket do a one-handed trick.
Tricks are made by a person in a red jacket while people watching him.
A breakdancer is a person, and tricks are made is a rephrasing of do a one-handed trick.
A breakdancer in a red jacket does a one-handed trick, and therefore tricks are made by a person that people are watching.
A breakdancer does tricks.