Two combatants in a rugby stadium making a move on each other , one wearing green with ball and defended by # 5 in the maroon colors .
It is highly unlikely that a fierce rugby competition heats up , and may come to violence .
It is highly unlikely that a fierce rugby competition heats up , and may come to violence .
It is probable that a fierce rugby competition heats up , and may come to violence .
A fierce rugby competition heats up , and may come to violence .