He is doing research on prime numbers.

If you subtract the subtrahend, you will get the answer.

His robbery ended in an attempt.

We go sea bathing with the family during the summer vacation.

He was hospitalized for dropsy.

The computer generates a random number.

Mizuna has a heart as pure as sea sand.

I used fresh mizuna for today's salad.

I do yoga every night to get a sound sleep.

I do yoga every night so that I can sleep soundly.