answer: #Person1# and #Person2# are waiting in a long line. #Person1# tells #Person2# it's because the police need to thoroughly check weapons and drugs.
documents: #Person1#: This line is so long.
  #Person2#: Yes. It was a quarter past seven when we began to wait and we have already been waiting for half an hour.
  #Person1#: I guess they're doing a really thorough check.
  #Person2#: What are they checking for?
  #Person1#: They need to make sure no one is carrying any weapons.
  #Person2#: I'm glad they checked only for that. Or it will surely be longer.
  #Person1#: They also have to make sure no one has drugs.
  #Person2#: Wow. I guess that's why the police dogs are here.
  #Person1#: Yes. Look. There are only 3 people ahead.
  #Person2#: After that, can we board the bus?
  #Person1#: Yes. We're almost there.
  #Person2#: Good.