What is the most likely relation between an event and its tail? You need to choose one of the candidate answers to respond.
event: PersonX starts playing
tail: It's a physically demanding game that provides an opportunity for players to improve their speed, agility, strength, hand-eye coordination and overall cardiovascular endurance.
candidate answers: oEffect oReact oWant xAttr xEffect xIntent xNeed xReact xWant ObjectUse AtLocation Desires NotDesires HasProperty MadeUpOf CapableOf isAfter isBefore HasSubEvent HinderedBy Causes xReason isFilledBy