Given the task definition and input, reply with output. You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.

Function on rough ER ?
Are joe jonas and demi lavarto in a relationship ?
How do u get ur horse to be a unicorn on howrse ?
Who was daniel radcliffe 's girlfriend ?
Are joe jonas and demi lavarto in a relationship ?