in your initial post, address the following: how is behavioral modeling related to functional and structural modeling? how do functional, structural, and behavioral models work together to describe a whole system? think about an atm and its functionality. if you were creating a functional model for an atm, what would be the use cases for that system? note: you do not need to create a functional model or diagram. you may just describe the use cases. based on the use cases you described, what objects might you need for an atm system? in your response posts to your classmates, address the following: review the use cases that your classmate described. how well did they capture the functionality of an atm? is there anything that could be improved? review the objects that your classmate described. is there anything that could be improved?