He is good at saying tongue-twisters.

I'm in the middle of a conversation, so please wait a moment.

His explanation was impossible to understand.

You'll understand if you listen, my plan is the best choice.

She is planning a date with her current boyfriend.

He lost everything.

My boyfriend gave me a gift.

Everyone was surprised by the news.

Natural language understanding is an important field of artificial intelligence.

He likes to take a walk in the park at dusk.