Sentence 1: Bradley was walking through the snow with his friend. 
 Sentence 3: His friend fell into the snow and seemed very mad 
 Sentence 4:  Suddenly he began throwing snow at Bradley 
 Sentence 5:  An all out snow war ensued and the two stayed outside for hours 
 Option 1: They were half-heartedly arguing when he shoved his friend. 
 Option 2: They were half-heartedly arguing when he shoved his friend and the friend instantly went into a coma.