His behavior is causing a nuisance to everyone.

He works at the fire station every day.

This regulation was established to protect the lives of citizens.

We have started a program to prevent crime in the community.

We must act carefully to prevent accidents.

His behavior is a big trouble for me.

Please underline the important parts of this sentence.

This regulation includes rules about smoking in public places.

His badge on the cap indicates that he is a police officer.

He said he is waiting at a certain place.