Question:
Choose your answer: Is "He proposed to Congress the Civil Rights Act of 1957 and of 1960 and signed those acts into law." a good answer to the question "In what year did Eisenhower propose his second civil rights act?"
Answer:
yes

Question:
Choose your answer: Is "The primary flag-carrier is TAP Portugal, although many other domestic airlines provide services within and without the country." a good answer to the question "What is the primary flag-carrier in Portugal?"
Answer:
yes

Question:
Choose your answer: Is "Other characteristics Lee and DeVore proposed were flux in territorial boundaries as well as in demographic composition." a good answer to the question "What other characteristic is variable for these groups?"
Answer:
yes