Text: Nineteen Minutes, published on March 9, 2007, is a novel by Jodi Picoult. It was her first book to debut at #1 on the New York Times Best Seller list. This book is about a school shooting, and focuses on the events leading up to and following the incident.

Question: is nineteen minutes based on a true story?
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Answer: no

Text: Because genetic determination of coat colors in calico cats is linked to the X chromosome, calicoes are nearly always female, with one color linked to the maternal X chromosome and a second color linked to the paternal X chromosome. Because males only have one X chromosome, a male calico would have to have a rare condition where they have three sex chromosomes (two X chromosomes and one Y chromosome) in order to be calico. In addition to other symptoms caused by the condition, these male calicos are often sterile.

Question: are there any male calico cats in the world?
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Answer: yes

Text: Operation Safed Sagar (Hindi: , lit. ''Operation White Sea'') was the code name assigned to the Indian Air Force's strike to support the Ground troops during Kargil war that was aimed to flush out Regular and Irregular troops of the Pakistani Army from vacated Indian Positions in the Kargil sector along the Line of Control. It was the first large scale use of air power in the Jammu and Kashmir region since the Indo-Pakistani War of 1971.

Question: do you know the contribution of indian air force in kargil war?
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Answer: yes

Text: DNA polymerases are a family of enzymes that carry out all forms of DNA replication. DNA polymerases in general cannot initiate synthesis of new strands, but can only extend an existing DNA or RNA strand paired with a template strand. To begin synthesis, a short fragment of RNA, called a primer, must be created and paired with the template DNA strand.

Question: can a dna polymerase initiate new strands of nucleic acid synthesis independently?
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Answer:
no