0If you observed the complete altercation, then you can use '01i 00quarrel02i 00'. Generally, the '01i 00do02i 00'-form is for the activity as a whole, and the '01i 00doing02i 00'-form is for the ongoing action. Concomitantly, the former is usually applied to instantaneous or quickly completed actions, while the latter is applied to actions of longer duration:02br 02br 01i 00I saw him die02i 00.
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