<human>: I went to University for three semesters. I did poorly the first one, ok the second, but dismally the third. After this, my dad stopped paying my tuition and wouldn't cosign a loan. I am now living at home going to community college.

My dad wants me to write a contract that, among other things, says I'll get my grades up. That's fine. However, he suggested certain terms that I do not agree with because I find them unfair. He is unwilling to negotiate with me. I have tried speaking to my mom, who is more reasonable, but she can't get through to my dad. 

Whenever I do something like slack off on my chores or use my phone after 10 PM (another one of his rules), my dad yells at me like a bad dog. I've told him to not speak to me like that, but he doesn't listen.

As I'm writing the contract, I want to include terms that my parents adhere to (like treating me respectfully), but I have nothing to hold over their heads to make them do it.

Can you give me a shortened version of the text?
<bot>: Living at home, parents treat me like dirt and are unwilling to help me. I need some leverage to get my stubborn dad to give me more freedom.