(S (S (NP (BASENP (DT The) (NNP Friedrich) (NNP Loeffler) (NNP Institute)) (SBAR (WHNP (WDT which)) (S (VP (VBZ specializes) (PP (IN in) (BASENP (NN animal) (NNS diseases))))))) (VP (VBD confirmed) (BASENP (DT the) (NN test) (NNS results)))) (PERIOD .))