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

The crystallographic restriction theorem in its basic form was based on the observation that the rotational symmetries of a crystal are usually limited to 2-fold, 3-fold, 4-fold, and 6-fold. However, quasicrystals can occur with other diffraction pattern symmetries, such as 5-fold; these were not discovered until 1982 by Dan Shechtman.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: these were not discovered until 1991 by Dan Shechtman
****
Answer:
No


[Q]: "This newsletter has been produced to help explain the changes in the biology curriculum. Unfortunately, a great deal of misinformation has been spread regarding this policy. We hope this publication will help those interested better understand the substance of the policy while eliminating any misconceptions some may have about the curriculum change. We sincerely appreciate your understanding on this matter." The biology curriculum is the same as it was several years ago. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: No


Problem: Mexican Food<br>Ethan loved his trip to Mexico. He tried lots of food. He came home and wanted more. He looked up those restaurants. He ate at one he liked.

Based on the paragraph above can we conclude that "Ethan visted Americas neighbor"? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes


Q: Hawk Films produced films in three different decades.
Hawk Films was a British film production company formed by Stanley Kubrick for his 1964 film "Dr. Strangelove". He also used it as production company for "A Clockwork Orange" (1971), "Barry Lyndon" (1975), "The Shining" (1980) and "Full Metal Jacket" (1987).
OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes


Rock stars Aerosmith are to hold a free concert in Hawaii to placate angry fans who brought a legal case against them. The Walk This Way hitmakers cancelled a sold-out show in Maui two years ago, leaving hundreds of fans out of pocket. They filed a class action case, which claimed the band had pulled out in favour of a bigger gig in Chicago and a private show for car dealers in Oahu. Lawyers for the would-be concert-goers said Aerosmith had now agreed to put on a new show, and would pay all expenses.
The concert in hawaii is going to cost no dollars OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes


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

6/12 Celebrities Who've Joined the Mile High Club CARMEN ELECTRA In 2003, Miss Electra admitted to engaging in some scandalous escapades with then-beau Dave Navarro. She went on record about the "in flight" entertainment: "We worked it out that I would go in first, and Dave would come along after and give a secret knock. Then I let him in and, well, the rest is history."

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Dave Navarro used the airplane bathroom later in the flight.
****
Answer:

It's impossible to say