Choose your answer from options. Premise: "Upstairs is a gift shop and the entrance to the connecting walkway to the cathedral; you can climb the tower, which has an interesting view of the surroundings." If this premise is true, what does that tell us about whether it entails the hypothesis "Admission to the walkway is quite expensive."?

Available options:
-- yes
-- it is not possible to tell
-- no
it is not possible to tell