Problem: Please answer a question about the following article about Dog:
The practice of using dogs and other animals as a part of therapy dates back to the late 18th century, when animals were introduced into mental institutions to help socialize patients with mental disorders. Animal-assisted intervention research has shown that animal-assisted therapy with a dog can increase social behaviors, such as smiling and laughing, among people with Alzheimer's disease. One study demonstrated that children with ADHD and conduct disorders who participated in an education program with dogs and other animals showed increased attendance, increased knowledge and skill objectives, and decreased antisocial and violent behavior compared to those who were not in an animal-assisted program.
Dogs were taken where to help people with mental disorders socialize?
A: mental institutions
Problem: Please answer a question about the following article about Greeks:
Notable Greek seafarers include people such as Pytheas of Marseilles, Scylax of Caryanda who sailed to Iberia and beyond, Nearchus, the 6th century merchant and later monk Cosmas Indicopleustes (Cosmas who sailed to India) and the explorer of the Northwestern passage Juan de Fuca. In later times, the Romioi plied the sea-lanes of the Mediterranean and controlled trade until an embargo imposed by the Roman Emperor on trade with the Caliphate opened the door for the later Italian pre-eminence in trade.
Who proposed that change was needed in the way business with the Greeks was to be conducted  ? 
A: trade until an embargo imposed by the Roman Emperor on trade with the Caliphate
Problem: Please answer a question about the following article about National Archives and Records Administration:
In addition, Federal Records Centers exist in each region that house materials owned by Federal agencies. Federal Records Centers are not open for public research. For example, the FRC in Lenexa, Kansas holds items from the treatment of John F. Kennedy after his fatal shooting in 1963.
Where are some of the items relevant to JFKs medical treatments housed?
A: Federal Records Centers
Problem: Please answer a question about the following article about Catalan language:
In English, the term referring to a person first appears in the mid 14th century as Catelaner, followed in the 15th century as Catellain (from French). It is attested a language name since at least 1652. Catalan can be pronounced as /ˈkætəlæn/, /kætəˈlæn/ or /ˈkætələn/.
When did the reference Catelaner first appear?
A:
mid 14th century