Topic for discussion: Tell about three kind of guests complaints in

Complaints in the restaurant are different. Firstly, people complain about poor quality food. They complain when feel bad after eating. Also people complain when food is impossible to eat or the food is not tasty. They complain when foreign objects are in the food. Secondly, people complain about poor service. They complain when the waiter did not smile at them. People complain when the waiter behaves rudely. People complain when the waiter forgets about visitors. Thirdly, people can complain when they just want to complain. In such cases, they complain about anything, for example, the appearance of the waiter, untimely servicing and other.