How does the author of the invitation mainly reveal Tasha’s character?

Just inside the door, Aisha and Tasha were standing at the pencil sharpener
Mr. Carver was across the hall, helping a student with the math problem
I hate the cold and besides, I’m not sure I like sledding
She and Jeremy don’t get along very well

The author reveals Tasha's character by showing her dislike for the cold and sledding and her difficult relationship with Jeremy.