A "To computers, however,itis trickier." (lines 2-3)
B "itwould be bad." (line 15)
C "Ituses so-called 'sentiment analysis' software to assess text." (lines 19-20)
D ".assigns emotional labels to the wordsitcontains," (lines 22-23).
E "At each stage,itcomputes the changing sentiment of the sentence." (lines 51-52)