Does the sentence "In dominant-party systems, opposition parties are allowed, and there may be even a deeply established democratic tradition, but other parties are widely considered to have no real chance of gaining power." provide a valid answer to the question "When are opposition parties allowed?"

A: yes

Does the sentence "The Piedmont Triad, or center of the state, is home to Krispy Kreme, Mayberry, Texas Pete, the Lexington Barbecue Festival, and Moravian cookies." provide a valid answer to the question "Where is the Krispy kreme headquarters located?"

A: yes

Does the sentence "The discovery of an androgynous four-year-old child was expiated by its drowning and the holy procession of 27 virgins to the temple of Juno Regina, singing a hymn to avert disaster: a lightning strike during the hymn rehearsals required further expiation." provide a valid answer to the question "What type of sacrifices were required to expiate the minor prodigies ?"

A: no

Does the sentence "A sophisticated and technologically advanced urban culture developed in the Mature Harappan period, from 2600 to 1900 BCE." provide a valid answer to the question "What was the span of the Mature Harappan period?"

A:
yes