Overlord clause: Some operators have unilaterally formatted contracts, notices, statements and store announcements or industry practices for consumers to unilaterally evade legal obligations and reduce their liability. Which of the following are overlord clauses? ['Unemployed youth Wang and the other three people forcibly occupied the parking lot of the vegetable market and claimed that they must pay ten yuan to park.', 'Self-employed Hong Mou severely threatened Zhao, who also runs the rice wholesale business across the street, "If you dare to open the door earlier than me, I will smash your shop".', 'When a store holds a store, it is written on the electronic billboard that: the audience is hot, full 400 minus 150; do not crowd, enter the queue; children under 1.4 meters must be accompanied by parents.', 'The glass of a clothing store reads: Products sold during the discount period are non-returnable.']