Does "The lethal voltages on contact wires and third rails are a safety hazard to track workers, passengers and trespassers." contain the correct answer to "What is a safety hazard to track workers?"

A: yes

Does "It was the first build where the text of a window was written centered instead of aligned to the left." contain the correct answer to "What was special about Milestone 1?"

A: yes

Does "Realizing that Bell Labs' scientists had already invented the transistor before them, the company rushed to get its "transistron" into production for amplified use in France's telephone network." contain the correct answer to "Where were Matare and Welker working when inventing the point-contact transistor?"

A:
no