What will a passenger do to inflate the vest?

(Read the text and answer the question)

An oxygen mask will appear before a passenger when there is a lack of oxygen in the aircraft.

A passenger will pull the mask towards him and place it firmly over his nose and mouth. Elastic band has to be secured behind his head.

A life vest is located under the seat or between the armrests.

Passengers are suggested to read safety information. Because reading safety information ensures safe travelling for travellers/ passengers.

A passenger will find safety information in the card kept in the seat pocket.