This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Q: Passage: The Bell Telephone Company was created in 1877, and by 1886, more than 150,000 people in the U.S. owned telephones. Bell Company engineers made numerous other improvements to the telephone, which emerged as one of the most successful products ever. In 1879, the Bell company acquired Edison's patents for the carbon microphone from Western Union. This made the telephone practical for longer distances, and it was no longer necessary to shout to be heard at the receiving telephone. Question: What addition let people stop yelling into the telephone?

A: carbon microphone
****
Q: Passage: In 1929, the university's fifth president, Robert Maynard Hutchins, took office; the university underwent many changes during his 24-year tenure. Hutchins eliminated varsity football from the university in an attempt to emphasize academics over athletics, instituted the undergraduate college's liberal-arts curriculum known as the Common Core, and organized the university's graduate work into its current[when?] four divisions. In 1933, Hutchins proposed an unsuccessful plan to merge the University of Chicago and Northwestern University into a single university. During his term, the University of Chicago Hospitals (now called the University of Chicago Medical Center) finished construction and enrolled its first medical students. Also, the Committee on Social Thought, an institution distinctive of the university, was created. Question: Who was the university's 5th president?

A: Robert Maynard Hutchins
****
Q: Passage: In 2006, Jian Li, a Chinese undergraduate at Yale University, filed a civil rights complaint with the Office for Civil Rights against Princeton University, claiming that his race played a role in their decision to reject his application for admission and seeking the suspension of federal financial assistance to the university until it "discontinues discrimination against Asian Americans in all forms" by eliminating race and legacy preferences. Princeton Dean of Admissions Janet Rapelye responded to the claims in the November 30, 2006, issue of the Daily Princetonian by stating that "the numbers don't indicate [discrimination]." She said that Li was not admitted because "many others had far better qualifications." Li's extracurricular activities were described as "not all that outstanding". Li countered in an email, saying that his placement on the waitlist undermines Rapelye's claim. "Princeton had initially waitlisted my application," Li said. "So if it were not for a yield which was higher than expected, the admissions office very well may have admitted a candidate whose "outside activities were not all that outstanding". Question: With which organization did Li file a civil rights complaint?

A:
Office for Civil Rights
****