Allow time in Thirasia to explore Santorini's smaller sibling islands.
( ( ( Allow ( time ( in Thirasia ) ) ) ( to ( ( explore ( Santorini 's ) ) ( smaller ( sibling islands ) ) ) ) ) . )
(ROOT (S (VP (VB Allow) (NP (NP (NN time)) (PP (IN in) (NP (NNP Thirasia)))) (PP (TO to) (NP (NP (NNP explore) (NNP Santorini) (POS 's)) (JJR smaller) (NN sibling) (NNS islands)))) (. .)))
Santorini has three smaller sibling islands.
( Santorini ( ( has ( ( three smaller ) ( sibling islands ) ) ) . ) )
(ROOT (S (NP (NNP Santorini)) (VP (VBZ has) (NP (NP (CD three) (JJR smaller)) (VP (VBG sibling) (NP (NNS islands))))) (. .)))