Problem: In a separate mass shooting on Saturday in Pittsburgh, a man donned a bulletproof vest and killed three police officers after he had been driven into a murderous rage by an argument with his mother over a dog. According to court papers, Richard Poplawski who had recently been dishonourably discharged from the US Marines had been arguing with his mother about the dog urinating inside their home early on Saturday morning when she threatened to evict him. When the argument escalated, she called the police. By the time a patrol car turned up at after 7am, Mr Poplawski, 23, had armed himself with an assault rifle, a long-arm rifle, a pistol and several rounds of ammunition.

Based on that paragraph can we say the following?
In Pittsburgh a man shot 3 policemen.
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Answer: yes

Problem: Wal-Mart has received a lot of negative publicity recently, including allegations that it used illegal workers and made employees work without pay during lunch breaks, as well as complaints that it generally underpays employees.

Based on that paragraph can we say the following?
Wal-Mart complains about negative publicity.
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Answer: no

Problem: What is certain, however, is that around 120,000 years ago, at least, the modern Homo sapiens first appeared and lived contemporaneously with the Neanderthal for at least 90,000 years, until the Neanderthal disappeared 30,000 years ago.

Based on that paragraph can we say the following?
Humans existed 10,000 years ago.
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Answer: yes

Problem: In June the Supreme Court ruled that anti-sodomy laws are unconstitutional.

Based on that paragraph can we say the following?
U.S. Supreme Court in favor of same-sex marriage
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Answer:
no