Задание

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A sniffer dog

Do you know that dogs can work at customs and help policemen catch criminals? This profession, is a very difficult one, is called a sniffer dog. These dogs can work at ports and airports. They detect baggage to help custom officers find some illegal objects. Criminals, may be very dangerous, are often caught with the help of sniffer dogs. The dogs work at customs always have a good sense of smell.

Sniffer dogs work only at airports.

Sniffer dogs detect baggage to catch criminals.

Sniffer dogs sometimes have a good sense of smell.