(S (S (S (BASENP (NNS Costs)) (VP (VBP have) (VP (VBN risen) (PP (IN in) (BASENP (JJ recent) (NNS months)))))) (COMMA ,) (SBAR (IN whilst) (S (NP (BASENP (DT the) (JJ historic) (NNS lows)) (PP (IN of) (BASENP (NN sterling)))) (VP (VBP have) (VP (VBN hit) (BASENP (DT the) (JJ bottom) (NN line))))))) (PERIOD .))