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Need clarification from experts on a knewton Tip

Expert replies
by mundasingh123 » Wed Jul 13, 2011 5:25 am
https://www.knewton.com/blog/gmat/2011/0 ... AT+Blog%29

(1) Within or at the end of a sentence and set off by a comma, –ing phrases can describe the subject of the previous clause or the noun immediately before the comma. “Bridget left the party, rushing to catch her plane” logically describes the subject Bridget as “rushing to catch her plane.” “Bridget left the party, dying down because most of the guests fell asleep” logically describes the noun before the comma, the party, as “dying down because most of the guests fell asleep. As long as only one noun is logically described, the –ing phrase can describe either noun. However, “Bridget went to the mall with Sally, loudly screaming” is unclear, because it is unknown whether Bridget or Sally is “loudly screaming.”

The question : is the bolded portion in the para in quotes above correct ?
I always thought a comma + ing modifier modifies the subject of the preceding clause
I Seek Explanations Not Answers
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Source: — Sentence Correction |

by Jim@Grockit » Wed Jul 13, 2011 7:15 am
In real English, those things are definitely true. I would expect both example sentences to have relative clauses on the GMAT, though.
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by aspirant2011 » Wed Jul 13, 2011 9:03 am
i think only including and implementing are two ing verb forms which refer to the closest noun before the comma........please correct me if I am wrong........
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