Put a smiling face ,if the statement is correct and a sad face if the statement is incorrect

1.Tractors are passenger vehicles.
2.Use PPE like respirators when spraying chemicals.
3.Risk is anything that causes injury or ill to anyone.
4.Exposure occurs when a person comes into contact with a hazard.
5.The level of risk increases with the severity of the hazard and the duration and frequency of exposure.

Help please​