Complex sentence: For example, when the trial consists of throwing two dice, the set of all outcomes with a sum of 7 pips may constitute an event, whereas outcomes with an odd number of pips may constitute another event.
Split into simpler sentences: For example, when the trial consists of throwing two dice, the set of all outcomes with a sum of 7 pips may constitute an event. Outcomes with an odd number of pips may constitute another event.