We have a responsibility to maintain this park.

He is a wonderful drummer.

His perception of art is very high.

He perceived her feelings.

I love knish.

Autonomy is the key to success.

This battery provides one joule of energy per hour.

This light bulb consumes 50 joules of energy per hour.

I could feel a clear malice in his actions.

My grandfather will celebrate his 88th birthday this year.