It's rude to laugh at others.
Jennifer sees that her classmate got a new haircut which Jennifer thinks looks really bad.
Jennifer wants to talk to her classmate.
Jennifer talks to her classmate about school work and other regular topics.
Jennifer goes up to her classmate and makes fun of their haircut, laughing at how bad it is.
Jennifer's classmate thinks their new haircut probably looks fine since Jennifer didn't seem to notice it.
Jennifer's classmate feels very self conscious about her new haircut and starts wearing a hat.