How to shop for speakers<br>Decide how you'll use the speakers. The variety of speaker builds suits individual speakers for different tasks. For casual music listening, a pair of bookshelf speakers would be more than enough.
Shopping for speakers should not be done impulsively. 
to make a decision means not to be impulsive so it is correct but the AI didn't recognize the change of wording.
( z1 recommend :ARG1 ( z2 shop :polarity - :ARG1 ( z3 person :ARG0-of ( z4 speak ) ) :manner ( z5 impulse ) ) )