Use a demonstrative pronoun only if the connectionto the intended antecedent of the
The sophisticated computer sound system lets the user input pitch and durationfrom the MIDI keyboard. This facilitates musicaltranscription. [Does this refer to the sophisticated computersound system, to letting the user, or to the inputting of pitch andduration?]
Sophisticated computer sound systems let the user input pitch and durationfrom the MIDI keyboard. This direct input facilitates musicaltranscription.
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