I would advise you to talk to a lawyer and go over the contract with him and ask the questions you have to him. Employment contracts should not be taken lightl

I would advise you to talk to a lawyer and go over the contract with him and ask the questions you have to him. Employment contracts should not be taken lightly and 3 years is a lot to ask for; the Lawyer can help you make suggestions to amend/change so if you want to leave it's not such a burden.