Cop: "Did you kill this man?"
Me: "No, a bullet killed him. Bullets are made of lead, which comes from the ground. The ground is part of nature. He died of natural causes. Case closed."
Natural causes
Cop: "Did you kill this man?"
Me: "No, a bullet killed him. Bullets are made of lead, which comes from the ground. The ground is part of nature. He died of natural causes. Case closed."