Albert and Roger have been getting into fights with each other since their school days. On one fine day during their first year in college, they brawled outside their university. During the fight, Albert pushed Roger with an intent to injure him. However, Roger smacked his head on a nearby lamppost and sustained a head injury that lead to his death. Which crime should Albert be held guilty of in the given scenario?
A) first-degree murder
B) second-degree murder
C) battery and assault
D) manslaughter