Choose your answer from options. Premise: "Limited success in 1973 restored some national pride when the Sinai was returned, but Sadat was aware that his country could be bled dry if the conflict continued." If this premise is true, what does that tell us about whether it entails the hypothesis "Sinai was returned in 1973, resulting in the restoration of national pride. "?

Options are:
-- yes;
-- it is not possible to tell;
-- no;
yes