The house was once again filled with tranquility after the kids moved outside to play.

In this sentence, the word "tranquility" contains a __________.

A. neutral nuance that suggests the home was quiet but not completely peaceful
B. positive nuance that emphasizes the serene atmosphere of the home
C. negative nuance that stresses the commotion the kids left behind
D. slightly negative nuance that suggests the children could still be heard playing outside