just randomly he came back into my life . flirts with me so much even infront of his gf , i m not going to lie and say the chemistry is nt there because its stronger then eveer . he even brings upp little things we used to do together that i did nt even remember . plus he s started comenting me on myspace again and not even his own gf .

Generate a question about the above context.
What type of relationship may we have had before ?
Available choices: (I). We used to go to school together .; (II). We used to date .; (III). None of the above choices .; (IV). We used to be neighbors .;