Question:
Lucy gave a tutorial on how to install IOS 5 to Cindy since she is familiar with software upgrades.

Who is she referring to in this sentence?
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Answer:
Lucy

Question:
Joe slapped Jose in the face because he was angry.

Who is he referring to in this sentence?
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Answer:
Joe

Question:
Jimbo eats more than Bobbert because he is on a diet.

Who is he referring to in this sentence?
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Answer:
Bobbert

Question:
Buy More Book Store sends brand new books to customers, but they sometimes end up sending used books instead.

Who is they referring to in this sentence?
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Answer:
Buy More Book Store