Prado loyola is a race-car driver who has signed an agreement with the racing team provolt, stating that provolt is not responsible for the dangers involved in racing and that loyola participates in all car races voluntarily, with full knowledge of the risk of injury or death that might result as a consequence. during the course of the race, a slight drizzle that covers the windshield affects loyola's visibility, and he misses a turn, resulting in a crash. which defenses can the provost team cite to protect itself from liability in the event that loyola sues them?