Question: Context: The Rolling Stones kicked off their latest tour on Sunday with a concert at Boston's Fenway Park.

Generate a hypothesis.
****
Answer: Hypothesis: The Rolling Stones have begun their latest tour with a concert in Boston.

Question: Context: Hurricane Isabel was a tropical storm when she entered Virginia, but caused damage to 75% of the state, making it one of the costliest disasters in Virginia's history.

Generate a hypothesis.
****
Answer: Hypothesis: A tropical storm has caused significant property damage or loss of life.

Question: Context: The substances that our company uses do not leave stains, do not have an unpleasant smell and are not toxic.

Generate a hypothesis.
****
Answer: Hypothesis: Our substances remove stains.

Question: Context: Medium-size black holes actually do exist, according to the latest findings from NASA's Hubble Space Telescope, but scientists had to look in some unexpected places to find them. The previously undiscovered black holes provide an important link that sheds light on the way in which black holes grow.

Generate a hypothesis.
****
Answer:
Hypothesis: Hubble discovers black holes.