Eric: Hey Matilda, you sleeping well. You seemed dizzy today.
Matilda: No Eric, i had to finish all he assignments, so i could not sleep all night.
Eric: Oh that's why. You can ask for if you need any help.
Matilda: I know Eric. You are my best friend
Matilda was dizzy today, because she didn't sleep last night. She finished the assignments. Eric is the best friend of Matilda.