Charlie and Clair were eating at a restaurant. During their meal, their waiter spilled hot soup on Charlie and Clair. if Charlie sued the restaurant for negligence, will respondeat superior apply? Please explain

Marvin bought a ticket to the Tampa Bay Rays game and attended the game. The back of the ticket stated, "The purchaser of the ticket assumes all risk." While seated in the stadium, he was struck in the head by a foul ball. Marvin had to be taken to the hospital by ambulance and sustained a concussion and required stitches. Did Marvin assume the risk? If he sues the Tampa Bay Rays for negligence, will he be successful? please explain.