Problem: Their skin also secretes chemicals that are poisonous and sometimes harmful to predators .
Also , their skin secretes chemicals that are poisonous , and sometimes distasteful , to predators .
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A: yes

Problem: John Benezet was a native of Philadelphia , the son of Daniel Benezet , a prominent Philadelphia merchant .
Daniel Benezet was a native of Philadelphia and the son of John Benezet , a prominent Philadelphia merchant .
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A: no

Problem: The biggest loser title was won by Sven from Hamburg , who shared the prize with his teammate Heino , who became the third .
The biggest loser title was won by Sven from Hamburg who shared the prize with his teammate Heino , who finished third .
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A:
yes