Jessica and Valerie 

graduate students. They

at Princeton University. They

very good friends. Right now they

in the university conference room.

They an important matter.

They often important matters.

Right now Valerie .

Jessica and a glass of soda. Jessica generally a

quiet person. She a good listener. She always   very attentively.

Her friends often Jessica about their problems. She and

them advice on how to their problems.   Valerie more than

Jessica.  Her friends all that she very outgoing. She to make friends

and participate in many conversations. Jessica and Valerie   very opposite

personallities, but this why they such good friends.

Opposites always .