Kei's birthday party was filled with everyone's jubilation.

Kinshi is my best friend.

He always has an optimistic attitude.

I contributed books to the local library.

He is studying that game record.

He was observing the movement of the pendulum.

This theory is universally accepted.

Where is my pencil case?

He used a hook to hang a picture on the wall.

This wine is made from grapes affected by noble rot.