Problem: Mr. Olsen paid $20 million for the space trip, but says that in the future space travel will likely become as routine as air travel is today.

Based on that paragraph can we say the following?
Air travel costs $20 million.
****
Answer: no

Problem: Doctors who treated Ayrton Senna after he crashed during the San Marino Grand Prix have denied allegations that the Brazilian driver died at the Imola track.

Based on that paragraph can we say the following?
Ayrton Senna had the accident that caused his death at the San Marino Grand Prix.
****
Answer: yes

Problem: The attacker wore a bullet-proof vest under his clothes and a backpack containing a knife, an axe and a fake pistol. Two other knives were found near the crime scene. The prosecutor confirmed that the man's face was painted white with blackened eyes as he committed the crime, which led international media to make comparisons to the Joker, the villain from the Batman series. "I have a question," the killer told the first employee he encountered, after which he immediately stabbed her, and started his rampage. One female day care worker attempted to disarm the killer while others locked the doors. The killer stabbed employees trying to carry children to safety.

Based on that paragraph can we say the following?
Joker appears in the Batman series.
****
Answer: yes

Problem: BTA said those injured in the fire at Borovets, 22 miles southeast of Sofia, were from Britain, the Soviet Union, West Germany, the Netherlands, Greece and Denmark.

Based on that paragraph can we say the following?
Sofia is located in Britain.
****
Answer:
no