n1: At first, Carol saw Brandon, her best friend’s boyfriend, with Farrah. They were laughing.
n2: Then Carol called Katy, her best friend, and told her that Brandon was cheating on her: he was dating Farrah.
n3: For this reason Katy got mad. She posted bulletins on social networks about Farrah.
n4: In consequence Farrah called Katy and told her she wasn’t dating Brandon. They were just preparing a surprise party for one of their friends’ birthdays.