Reggie bought a ladder. He put the ladder in his muddy front yard after a very hard rain. He climbed up the ladder to paint his house but the ladder toppled over. Reggie fell down an broke his arm. He could not work for a month while his arm healed. Reggie sues the ladder manufacturer. The best defense for the ladder manufacturer is

Reggie bought a ladder. He put the ladder in his muddy front yard after a very hard rain. He climbed up the ladder to paint his house but the ladder toppled over. Reggie fell down an broke his arm. He could not work for a month while his arm healed. Reggie sues the ladder manufacturer. The best defense for the ladder manufacturer is

Product misuse

Knowledgeable user

Assumption of risk

Superseding cause