Officer Smith is in charge of all of the canine teams in his sector. Fifteen canine teams are stationed in his sector. Most of the canine teams are located at stations along the border. Several canine teams are located away from the border in large urban areas. All of the teams must be available to travel to any duty station within the sector.

Question

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This question is about the canine teams in Officer Smith's sector. According to the last sentence in the paragraph, all of the canine teams must be available to travel to any duty station within the sector. This is equivalent to saying that none of the teams are exempt from traveling to any duty location within the sector, Response D. Responses B and C contradict the information in the last sentence.
The third sentence in the paragraph informs us that most teams are stationed along the border. Responses A and E contradict this information.

Officer Smith Is in Charge of All of the Canine