Does the sentence "In the 1950s, the Ethiopian feudal administration under Emperor Haile Selassie sought to annex Eritrea and Italian Somaliland." provide a valid answer to the question "Who laid claim to Eritrea and Italian Somaliland in a letter to Franklin D. Roosevelt?"

A: yes

Does the sentence "The largest makhtesh in the world is Ramon Crater in the Negev, which measures 40 by 8 kilometers (25 by 5 mi)." provide a valid answer to the question "Israel has the largest number of what per square meter in the basin?"

A: no

Does the sentence "Analog disc records would dominate the home entertainment market until they were outsold by the digital compact disc in the late 1980s (which was in turn supplanted by digital audio recordings distributed via online music stores and Internet file sharing)." provide a valid answer to the question "What format dominated the market in the late 1980s?"

A: yes

Does the sentence "He and Bethe developed the BetheFeynman formula for calculating the yield of a fission bomb, which built upon previous work by Robert Serber." provide a valid answer to the question "What was the purpose of the Bethe-Feynman formula?"

A:
yes