(S (NP (BASENP (NNP Alexander) (NNP Higgins)) (PRN (COMMA ,) (BASENP (DT an) (JJ independent) (NN computer) (NN programmer)) (COMMA ,))) (VP (VBD developed) (NP (DT the) (QT (DQL `) (QTC (BASENP (NNP Gulf) (NNP Oil) (NNP Spill) (NNP ROV) (NNP UTM) (NNP Distance) (NNP Calculator)) (PERIOD .)) (DQR ')))))