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Find the statement that must be true according to the given information.
The Pacific yew is an evergreen tree that grows in the Pacific Northwest. The Pacific yew has a fleshy, poisonous fruit. Recently, taxol, a substance found in the bark of the Pacific yew, was discovered to be a promising new anticancer drug.

  • Taxol is poisonous when taken by healthy people.
  • Taxol has cured people of various diseases.
  • People should not eat the fruit of the Pacific yew.
  • The Pacific yew was considered worthless until taxol was discovered.
  • Drug companies will be cutting down lots of trees in Portland.