Read these lines from "Do Not Go Gentle into That Good Night." Grave men, near death, who see with blinding sight
Blind eyes could blaze with meteors and be gay,
Rage, rage against the dying of the light.

What is the meaning of the pun "Grave men"?

Men who are extremely ill and are very close to dying but have hope.

Serious men who study the night sky and see bright lights shining.

The men who dig graves and are near those who have died.

Men who are solemn because they know that death is near.