You shouldn't make fun of the way someone talks.
Kara meets a new girl at her school named Sandy, who is from Australia.
Kara wants to speak to Sandy.
Kara tells Sandy she is excited to meet someone from another country and wants to learn more about her.
Kara laughs at Sandy and tells her that her accent is really weird.
Sandy is happy to make a new friend, and she feels more comfortable in her new setting.
Sandy feels self-conscious about her accent and becomes unhappy and withdrawn.