Question:
Based on the premise "The more tours you buy, the lower the rate, so water-ski enthusiasts will certainly get value for money.", can we conclude that "The rate gets cheaper the more tours you purchase, so waterskiers get great value."?
****
Answer:
yes

Question:
Based on the premise "is whether Tyler should be played by Val Kilmer or Brad Pitt.", can we conclude that "It's not known whether Tyler should be played by Val Kilmer or Brad Pitt."?
****
Answer:
yes

Question:
Based on the premise "After years of addiction and attempts at recovery, the nearly 16-year-old California band has entered dinosaur land.", can we conclude that "The band members were all 16 years old."?
****
Answer:
no