Natural language understanding is an important field of artificial intelligence.

I am very interested in sociolinguistics.

He is attending a programming school to learn object-oriented languages.

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

He went to America as an international student.

My older brother is attending a college in Tokyo.

He proposed a new theory about quantum mechanics.

He is a professor of algebra.

I am majoring in economics at university.

I am majoring in climatology at university.