question: OPTIONS:
- yes
- no
Opening from the Marble Hall, these rooms are used for less formal entertaining, such as luncheon parties and private audiences.
Which rooms are used for less formal entertaining such as luncheons or private audiences?

answer: no

question: OPTIONS:
- yes
- no
The superstructure of a carrier (such as the bridge, flight control tower) are concentrated in a relatively small area called an island, a feature pioneered on the HMS Hermes in 1923.
What was a major issue in the USS Langley?

answer: no

question: OPTIONS:
- yes
- no
Based on fundamental research performed by Gregory Pincus and synthetic methods for progesterone developed by Carl Djerassi at Syntex and by Frank Colton at G.D. Searle & Co., the first oral contraceptive, Enovid, was developed by E.D. Searle and Co. and approved by the FDA in 1960.
Who created the first oral birth control?

answer: yes

question: OPTIONS:
- yes
- no
Deuterium was discovered in December 1931 by Harold Urey, and tritium was prepared in 1934 by Ernest Rutherford, Mark Oliphant, and Paul Harteck.
What year was tritium discovered?

answer:
yes