Problem: Given the question: Which genus contains the greatest number of species, Lomatia or Delosperma?
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The answer is:
Delosperma

Problem: Given the question: Who is older, Sigmund Jahn or Patrick Baudry?
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The answer is:
Sigmund Werner Paul Jahn

Problem: Given the question: Which opera has more acts, Madama Butterfly or Erwartung?
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The answer is:
Madama Butterfly