We are planning a picnic for next week.

He calculated the area of the triangle.

He is good at solving trigonometry problems.

She has difficulty listening to music due to a problem with her auditory organ.

He drew a triangle on the blackboard.

I think his ideas are revolutionary.

Nuclear fusion is expected to be a future energy source.

He likes to paint landscapes every day.

The accuracy of this machine is astonishing.

We believe that a reform of the education system is necessary.