Complex sentence: He visits Bernard Parker who appears suspicious when he states that the glove isn't his but vehemently denies owning the cigarette case, nevertheless Poirot finds the twin of the glove in the hallway of Parker's house.
Split into simpler sentences: He visits Bernard Parker who appears suspicious when he states that the glove isn't his but vehemently denies owning the cigarette case. Nevertheless Poirot finds the twin of the glove in the hallway of Parker's house.