We are participating in local mutual aid activities.

We will co-sponsor this event with the city.

I think these teaching materials will be very useful for the students.

Humans and nature should coexist.

We decided to struggle together against the difficulties.

He picked up the shell that was lying on the ground.

For the success of this project, augmentation of the team is necessary.

A dinosaur is a type of extinct creature.

They performed together for the first time last night.

They performed together in a wonderful concert last night.