At the top of the hill is the imposing medieval fortress of Kadifekale.
( ( At ( ( the top ) ( of ( the hill ) ) ) ) ( ( ( is ( the imposing ) ) ( ( medieval fortress ) ( of Kadifekale ) ) ) . ) )
(ROOT (S (PP (IN At) (NP (NP (DT the) (NN top)) (PP (IN of) (NP (DT the) (NN hill))))) (VP (VBZ is) (NP (DT the) (NN imposing))) (NP (NP (JJ medieval) (NNS fortress)) (PP (IN of) (NP (NNP Kadifekale)))) (. .)))
The medieval castle of Kadifekale is located at the top of the hill.
( ( ( The ( medieval castle ) ) ( of Kadifekale ) ) ( ( is ( located ( at ( ( the top ) ( of ( the hill ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ medieval) (NN castle)) (PP (IN of) (NP (NNP Kadifekale)))) (VP (VBZ is) (VP (VBN located) (PP (IN at) (NP (NP (DT the) (NN top)) (PP (IN of) (NP (DT the) (NN hill))))))) (. .)))