Locate the participial phrase and the word it modifies. waiting in the cafeteria line, the girls talked about their history assignment.
participial phrase:
modified:

The participial phrase is "Waiting in the cafeteria line" and the modified word is the noun "girls".

Explanation: A participial phrase is a group of words that is introduced by a present participle or a past participle. While present participles end in -ing, past participles can end in -ed, -en, -d, -t or -n. Moreover, in order to express a full thought, participial phrases modify another word, which is generally a noun. In that way, participial phrases function as adjectives. In the case of this sentence, the participial phrase "Waiting in the cafeteria line" begins with a present participle ("waiting") and it is modifying the noun "girls" since the sentence can be rephrased into  "The girls waiting in the cafeteria line talked about their history assignment".  

dioneo just might be like one of your friends. he is a good looking guy that can say whatever he want and get away with it. he's brings life because he can sing and play the lute. he is also dangerous because he can convince you to do anything for him because his wit is so sharp, you can not resist. dioneo is determined to take the next logical step and initiate a small campaign for freedom of speech. he does this by begging to be released from telling stories that conform to the daily theme. then, during his own time, he chooses a themes that are scandalous and he gets the response he expects.

falling action

explanation: