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

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.

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

Natural language processing is a technology that allows computers to understand and analyze human language.

He is writing a thesis on abiogenesis.

Natural language understanding is an important field of artificial intelligence.

We are planning to visit the nature reserve this weekend.

He is an expert in physical anthropology, conducting research on human evolution.