She used to be a prostitute, but now she has started a new life.

He was hiding the fact that he was an illegitimate child.

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

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

I'm Jewish.

The Ministry of Education is responsible for Japan's educational policy.

My father is an expert in otolaryngology.

That theory is unscientific and has no evidence at all.

He is an expert in computer science.

UNESCO is an international organization that promotes the development of education, science, and culture around the world.