question: OPTIONS:
- yes
- no
To the west it bordered Finland, Norway and Poland; and to the south, China, Mongolia and North Korea whilst bordering the Arctic Ocean to the north, the Pacific Ocean to the east and the Black sea and Caspian Sea to the south.
Which ocean is along eastern Russia?

answer: yes

[Q]: Sentence: In 1911 arsphenamine, the first synthetic anti-infective drug, was developed by Paul Ehrlich and chemist Alfred Bertheim of the Institute of Experimental Therapy in Berlin. Question: Where is the Institute of Experimental Therapy located? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "Another important Sumerian hieros gamos was that between Ki, here known as Ninhursag or "Lady Sacred Mountain", and Enki of Eridu, the god of fresh water which brought forth greenery and pasture." provide a valid answer to "What were the titles given to the gate keeps of the E-Abzu temple of Enki?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "The ships are due to become operational from 2020." answer the question "When are the 2 Queen Elizabeth class ships due to become operational?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Returning home to Brantford after six months abroad, Bell continued his experiments with his "harmonic telegraph".[N 12]" provide a valid answer to the question "Where was Bell's home?" OPTIONS:
- yes
- no

A: yes

Does the sentence "After Alexander's conquests the region of Bithynia came under the rule of the native king Bas, who defeated Calas, a general of Alexander the Great, and maintained the independence of Bithynia." provide a valid answer to the question "When did Zipoetes I assume the role of king?" OPTIONS:
- yes
- no

A:
no