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

He is expressing himself by doing transvestism.

I learned about geometric isomerism in organic chemistry class.

She is planning a date with her current boyfriend.

He lost everything.

My boyfriend gave me a gift.

Everyone was surprised by the news.

High fructose corn syrup is included in many processed foods.

In organic chemistry, understanding geometric isomers is important.

In organic chemistry, cis-trans isomerism is an important concept.