Ok...I've seen all your other threads about this exact same issue, but I'm actually going to respond to this one.

First of all, just because someone calls you a lesbian, it doesn't mean you are. Nothing anyone says or does can change your orientation. That's just not how it works.

Why does it matter what your orientation is? If you're lesbian, it doesn't matter. If you're straight, it doesn't matter. If you're bi, it doesn't matter. Just be yourself. Stop thinking about it so much and just spend some time being yourself, the answer will eventually come to you. Don't worry about labeling it, especially if you don't even know what that label is at this time. Honestly, you never have to figure it out. If you want to date a certain guy, then go ahead. If you want to date a certain girl, then go ahead. You don't need to define your sexuality to do that.

Also, have you thought that maybe you might be bi? You seem to be going back and forth between straight and lesbian on how you think of yourself, maybe you're neither.

I'm not going to say "you seem straight" or "you seem gay" from this thread. The only person that can know that is you.