[Q]: Sentence: This has resulted in a majority of people who identify as African American having some European ancestors. Question: When were periods of numerous interracial relationships in the U.S.? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: Epigenetic marks may be added or removed from the DNA during programmed stages of development of the plant, and are responsible, for example, for the differences between anthers, petals and normal leaves, despite the fact that they all have the same underlying genetic code. Question: When DNA has different markers, how it that presented in plants? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: In 1609, the English Virginia Company, which had established Jamestown in Virginia (a term originally applied to all of the North American continent) two years earlier, permanently settled Bermuda in the aftermath of a hurricane, when the crew and passengers of the Sea Venture steered the ship onto the surrounding reef to prevent its sinking, then landed ashore. Question: Who was the first known European explorer to reach Bermuda? OPTIONS:
- yes
- no
++++++++++
[A]:
no