Bribery: Refers to the behavior of state personnel to take advantage of their position to solicit others 'property, or illegally accept others' property to seek benefits for others. Is the following behavior a bribery? ["A construction company draws the mayor with a woman's color to influence the project bidding and bid implementation.", "Director Li of a city's administrative bureau for industry and commerce, due to personal grievances, deliberately made it difficult for Zhang to apply for starting a company. Zhang gave money and asked Liu, who was familiar with Director Li, to clear it for him. Liu received 5,000 from Zhang Money, but did not do any dredge work.", "Yang is the deputy head of a county and is in charge of foreign trade. Yang is greedy by nature and believes that everyone below should pay him tribute. However, he was afraid of getting his hands dirty, so he instructed his wife to go to the county's jurisdiction. The foreign trade companies called and asked them to show their filial piety. For the future of the company, the bosses of the companies gave Yang a gift in small packets.", 'Li, a salesman of a large advertising company, often uses his identity to collect benefits and rebates paid by the other party in his business dealings with other companies.']