Problem:
Read the following paragraph and determine if the hypothesis is true:

How to clean a felt hat<br>Brush it with a hat brush. Use a hat brush to remove dust and dirt from the surface of your hat. Gently brush the hat counterclockwise, starting at the front and working your way all around.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: a brush can clean a hat
****
Answer:
Yes
[Q]: How to choose an oral surgeon<br>Talk to your dentist. Your dentist is the best person to recommend an oral surgeon for you since they know exactly what sort of oral trouble you're having. Once your dentist recommends one or more oral surgeons based on your specific needs, you can go forward with the process of evaluating each surgeon. Oral surgeons sometimes depend on referrals from dentists. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: Yes
Problem: President Vladimir Putin vowed Monday to track down the killers of Anna Politkovskaya, while her colleagues at Novaya Gazeta pledged to continue her work despite dangers.

Based on the paragraph above can we conclude that "Putin did not completely ignore the death of Anna Plitkovskaya"? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes
Q: Boring yourself to tears makes for an effective work output.
How to become highly motivated for your job<br>Vary your tasks throughout the day. People tend to lose motivation on the job out of sheer boredom. The brain functions best when it is subjected to stimulation and differentiated activity.
OPTIONS:
- Yes
- It's impossible to say
- No
A: No
All right. Before we start the cross-examination, I think this will be an appropriate time for our afternoon break. We'll take that break for approximately 20 minutes, no longer than that, and we will return with Mr. Muise's cross-examination of the witness. We'll be in recess. (Recess taken.)
Cross examination will only be done by lawyers OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say
Problem:
Read the following paragraph and determine if the hypothesis is true:

Bakhtar Afghan Airlines was an airline from Afghanistan, which offered domestic flights. The company was founded in 1967 as Bakhtar Alwatana, a name it kept until 1985, when it was renamed Bakhtar Afghan Airlines. In 1985 the company absorbed Ariana Afghan Airlines and became Afghanistan's sole airline company. In 1988 the Ariana and Bakhtar brands merged.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: The company was founded 3 years prior to 1970.
****
Answer:
Yes