He received the letter challenging him to a duel and began preparing for the duel.

My father owns five boats.

There is a large weir in this river.

I am planning to go to Seki City in Gifu Prefecture next week.

I am very interested in social science.

In response to his actions, I felt anger and showed an inevitable reaction.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'

We prioritize customer satisfaction above all else.