My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

Natural language understanding is an important field of artificial intelligence.

He is an excellent doctor.

He is a famous author, and his works are loved by many readers.

My spouse is a doctor.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.