input: Please answer the following: The singles discography of Roc Nation, an American company and record label, and consists of charted songs, four official by Willow Smith, an American singer, actress and dancer, and the daughter of which two parents?
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output: Will Smith and Jada Pinkett Smith


input: Please answer the following: What is the actor who plays Dr. Leo Szilard best known for?
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output: his role on the NBC television series, "L.A. Law"


input: Please answer the following: Which novelist's name, Nevil Shute or Bernard Malamud, was a pen name to distance his writing from his career in engineering?
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output: Nevil Shute


input: Please answer the following: are there more species of Persea or Cryptotaenia
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output:
Persea