Here it is In black And White the TOS Showing the rules of the game and the Lab Not Enforcing it:
6.1 You will not post or transmit prohibited Content, including any Content that is illegal, harassing or violates any person's rights.
You agree that you will not:
(i) Post, display, or transmit Content that violates any law or the rights of any third party, including without limitation Intellectual Property Rights. We reserve the right to request at any time proof of permissions in a form acceptable to us. Failure to provide such proof may lead to, among other things, removal of such Content from the Service;
(ii) Impersonate any person or entity without their consent, or otherwise misrepresent your affiliation, or if you are an adult, impersonate a minor for the purpose of interacting with a minor using the Service; (iii) Stalk, harass, or engage in any sexual, suggestive, lewd, lascivious, or otherwise inappropriate conduct with minors on the Service;
(iv) Post, display, or transmit Content that is harmful, threatening or harassing, defamatory, libelous, false, inaccurate, misleading, or invades another person's privacy;
(v) Post, display, or transmit Content that is obscene, hateful, or racially, ethnically or otherwise objectionable; or
(vi) Post, display or transmit any Content or conduct or host any activity that is sexually explicit, or intensely violent. Any violation by you of the terms of this Section may result in immediate termination of your Accounts without any refund or other compensation.