I take full responsibility for the success of this project.

He undergoes dialysis every week.

He is feeling loneliness.

He is feeling lonely.

In this museum, lithographs from the 19th century are on display.

This stone slab is an ancient artifact.

My mother underwent surgery for gallstones.

He is drawing a picture on a slate.

This building is made of marble.

He started a fire using a flint.