He injured his semimembranosus muscle.

An antiprism is a part of geometry, and its shape is very unique.

We are considering the resale of this product.

He visited the used bookstore to resell old books.

The Great Red Spot on Jupiter is said to be the largest storm in the solar system.

The police believe that all these incidents were committed by the same criminal.

The heinous criminal was arrested by the police.

The police are doing their best to catch the brutal criminal.

He solved a complex problem that ordinary people could not understand.

Please proceed one by one in order.