question:
The term high definition once described a series of television systems originating from August 1936; however, these systems were only high definition when compared to earlier systems that were based on mechanical systems with as few as 30 lines of resolution.
In what century were 4k, 5k, and 8k systems introduced?

answer: no

question:
Throughout the first half of the 20th century, the city became a world center for industry, commerce, and communication.
In what year did the subway begin operation?

answer: no

question:
In 677 (during the reign of Emperor Gaozong), Chen Zheng (), together with his son Chen Yuanguang (), led a military expedition to pacify the rebellion in Fujian.
Who was the ruler of China in 677?

answer: yes

question:
Madonna was the first artist to have her concert tours as reenactment of her music videos.
What did Madonna use in her concerts?

answer:
no