>>I know this works with Word 2000, but don't know about previous versions.
>>
>>Open a new document in Word and type the following then wait a couple of seconds.
>>
>>= rand(200, 99)
>>
>>< g >
>Fairly long delay withWord 97 - SR-2, but immediate (smaller) response with rand(1,99).

Seems like it's rand( {number of paragraphs}, {number of sentences in paragraph}), where both numbers in range 1-200