Gambling: Refers to the act of making a profit for the purpose of betting on the property rather than winning or losing, and illegally transferring property ownership. According to the above definitions, Which of the following are gambling items:. ['Company A and the fans have agreed: If the Brazilian winning company loses 1 million fans, if the Brazilian loses, the fans lose 1 million.', 'Public security organs offer rewards: Citizens who have arrested criminal suspects who trafficked in children will receive a reward of 50,000 yuan.', 'Both parties A and B agree in the contract that Party B will be awarded 1 million yuan for completing the project on time, and 40,000 yuan of lost work fee will be paid every day for delayed completion.', 'The seller and the buyer agree: If the painting is a fake, the seller will pay 10 times the price.']