We decided to collaborate on a new project.

We have started a collaboration for a new project.

The children were having a snowball fight in the park.

He printed handmade flyers using an old mimeograph.

He printed posters using an old mimeograph.

His evasion had no persuasiveness at all.

That young man is very polite.

His tie is hanging down.

I can't believe his excuse at all.

We have a musical ensemble at school every week.