[Q]: In 1973, the United States and Communist China agreed to establish liaison offices in Beijing and Washington. The offices were built in the same year
[A]: It's impossible to say

[Q]: The so-called "grandmother hypothesis", based on studies of African hunter-gatherer groups, suggests that infertile women are vital for successful child-rearing despite being unable to produce children themselves. The "grandmother hypothesis" is based on numerous studies of African hunter-gatherer groups.
[A]: It's impossible to say

[Q]: The 1986 FIA European Formula Three Cup was the second European Formula Three Cup race and the first to be held at the Autodromo Enzo e Dino Ferrari on October 26, 1986. The race was won by Italian Stefano Modena, driving for Euroteam outfit, who finished ahead of the previous years winner Alex Caffi and fellow Italian Nicola Larini. The FIA will be held in New York in 2019 and Stefano will be present
[A]: It's impossible to say

[Q]: The New Jacket<br>Gina needed a new jacket. She didn't have much money. Her friend told her to try looking at the thrift shop. Gina found a great jacket at the thrift shop. Gina began shopping at the thrift shop for all her clothes. Gina's friend tried to tell her to shop at an expensive store for a jacket.
[A]:
No