Problem: More than 6,400 migratory birds and other animals were killed in Nevada by drinking water in the cyanide-laced ponds produced by gold mining operations.

Based on that paragraph can we say the following?
Animals have died by the thousands from drinking at cyanide-laced holding ponds.
****
Answer: yes

Problem: That police statement reinforced published reports, that eyewitnesses said de Menezes had jumped over the turnstile at Stockwell subway station and was wearing a padded jacket, despite warm weather.

Based on that paragraph can we say the following?
However, the documents leaked to ITV News suggest that Menezes, an electrician, walked casually into the subway station and was wearing a light denim jacket.
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Answer: no

Problem: The new study refutes earlier findings by researchers at the University of California, Los Angeles, who concluded that the odds of getting head and neck cancers rose in tandem with the frequency and duration of marijuana use.

Based on that paragraph can we say the following?
The latest findings contradict a California study that implicated regular pot smoking as having markedly higher risks for head and neck cancers.
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Answer: yes

Problem: Mahbob Amiri, head of Afghanistan's quick-reaction force, said Monday's bomb in the capital detonated as a United Nations vehicle drove past.

Based on that paragraph can we say the following?
The United Nations produces vehicles.
****
Answer:
no