options: f : yes , they are here to check the weapons that everyone take . f : yes , those cats are really good at stopping line-jumpers . f : yes , those police cats here are to sniff for drugs . f : yes , their noses are very sensitive to the drugs .
article: m : this line is so long . f : yes . it was a quarter past seven when we began to wait and we have already been waiting for half an hour . m : i guess they 're doing a really thorough check . f : what are they checking for ? they need to make sure no one is carrying any weapons . m : i 'm glad they checked only for that . f : they also have to make sure no one has drugs . m : wow . i guess that 's why the police dogs are here .