Based on the premise "In any case, the last stretch to the crater itself is on foot, so take sturdy shoes and warm clothing it's cool and windy up there, even in the summer.", can we conclude the hypothesis "Timberland boots are good shoes to wear when approaching the crater." is true (see options)?

Select from:
(a). yes;
(b). it is not possible to tell;
(c). no;
(b).