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Many compound materials exhibit polymorphism, that is they can exist in different structures called polymorphs. Silicon carbide (SiC) is unique in this regard as more than 250 polymorphs of silicon carbide had been identified by 2006, with some of them having a lattice constant as long as 301.5nm, about one thousand times the usual SiC lattice spacings.

Sentence: Many cool compound materials exhibit polymorphism

Output: It's impossible to say

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How to buy fractional shares<br>Choose companies you like. One of the benefits of investing through a direct stock purchase plan (dspp) is that you can invest directly in a company you personally like or believe in. While not all companies have dspps, many do.

Sentence: Not all companies have direct stock purchase plans.

Output: Yes

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Grilled Cheese<br>Josh was homesick. All he wanted was his mom's grilled cheese. He finally decided to try to make it himself. He bought all the ingredients and tried his best. The result was a perfect grilled cheese just like his mom's.

Sentence: Josh lives at home with his mom.

Output: No

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The 2015 Brownlow Medal was the 88th year the award was presented to the player adjudged the fairest and best player during the Australian Football League (AFL) home and away season. Nat Fyfe of the Fremantle Football Club won the medal by polling thirty-one votes during the 2015 AFL season. He became the first Fremantle player to win the Brownlow Medal.

Sentence: Nat Fyfe is the first and last winner of the Brownlow Medal for the Fremantle Football Club.

Output:
It's impossible to say