Effective ways to tackle problem questions in unit 2A/B AQA As level law

Hi there* im self teaching myself As Alevel*law* I *need help with how to answe problem questions for Criminal law and tort law. I've attempted to answer* June 2013* past paper question 03 in criminal law I've done the first bit of the question where its*says "
outline the law relating to the offence of assault, and briefly discuss whether Amir would be guilty of this offence"

However, for the second part of the question im stuck i dont know how to answer"
briefly discuss what difference, if any, it would have made if Carla had taken Amir’s statement as a joke and had not panicked or jumped from the car" in the way that will score me high marks. Please if you can help me I beg. How would you guys answer it . Also if any one has other materials for section A and B unit2 Law As level AQA in particular please send them to me. I'm very determined to do well* my single mother paid*alot of money* for my exams I really want to do well.

Please if anyone can help me with especially on how to answer problem questions in Criminal Law and Tort law.

Thanks in advance,