This detailed plan was the key to his success.

What are the ingredients of this product?

I decided to take a painkiller because I have a severe headache.

The speed limit on this road is 60 kilometers per hour.

He is my classmate.

My mother was surprised when she saw my report card.

He publicly admitted that he is a bisexual.

The sinusoid is used to represent many phenomena in nature.

His standard of living has improved significantly.

His brother was diagnosed with schizophrenia a long time ago.