Does the sentence "Hostilities continued to increase especially after the election of 1871 which was perceived to be fraudulent." provide a valid answer to the question "Which year's election was perceived to be fraudulent?"

A: yes

Does the sentence "Frederick sent urgent requests to Britain for more substantial assistance, as he was now without any outside military support for his forces in Germany." provide a valid answer to the question "How did Frederick respond to the defeat at Hanover?"

A: yes

Does the sentence "These processes are also important in biological responses to pollution; for example, sulfate-reducing bacteria are largely responsible for the production of the highly toxic forms of mercury (methyl- and dimethylmercury) in the environment. Non-respiratory anaerobes use fermentation to generate energy and reducing power, secreting metabolic by-products (such as ethanol in brewing) as waste." provide a valid answer to the question "What is the by-product of non-repiratory anaerobes?"

A: yes

Does the sentence "During the Middle Ages, the Eastern Roman Empire survived, though modern historians refer to this state as the Byzantine Empire." provide a valid answer to the question "Who took over the remains of the Western Roman Empire?"

A:
no