Question:
Based on the premise "This office has many employees with enough miles on single carriers for free trips, but these miles have been difficult to use because few seats have been available when employees have needed to travel.", can we conclude that "When employees have needed to travel, few seats have been available. "?
****
Answer:
yes

Question:
Based on the premise "'I doubt it.", can we conclude that "I don't think so. "?
****
Answer:
yes

Question:
Based on the premise "are you in Texas oh i'm in uh down here in Sherman or Denison rather", can we conclude that "Are you near the Canadian border?"?
****
Answer:
no