Task: Question Answering
Input (English): Passage: Freshwater pearl mussel -- Although the name ``freshwater pearl mussel'' is often used for this species, other freshwater mussel species can also create pearls and some can also be used as a source of mother of pearl. In fact, most cultured pearls today come from Hyriopsis species in Asia, or Amblema species in North America, both members of the related family Unionidae; pearls are also found within species in the genus Unio.
Question: can you find a pearl in a mussel
Output (English): 1