Context:
The Interstate 35W Mississippi River eight-lane bridge in Minneapolis, Minnesota has collapsed on both sides of the highway over the Mississippi River during rush hour. Previous reports indicated at least nine people had died, but Minneapolis police revised this to four during a 7:30 a.m. (local time) press conference.  Tim Dolan, the Minneapolis Police Chief later stated that "several [adding to the four] people are confirmed dead at the scene," but would not elaborate on how many. At least 79 have been injured and at least 8 are still missing, still believed to be in the rubble.
Hypothesis: The number of people who have died is more than eight.
It's impossible to say
Context:
How to throw a faster fastball<br>Perfect your grip. There are two primary grips for the fastball: the four-seam and the two-seam. The four-seam generally gathers more velocity but some pitchers find the two-seam more comfortable and easier to command.
Hypothesis: There are more than two thousand primary grips for the fastball.
No
Context:
How to check engine vacuum hoses<br>Check each hose for bulges and swelling. If a hose feels soft or spongy when you touch it, this can indicate damage caused by your car's oil. [substeps] A swollen hose that is cracked and hard is often caused by heat damage.
Hypothesis: Engine hoses can break from heat damage. 

Yes