The lawsuit of payment refers to the civil lawsuit requesting the people's court to order the defendant to fulfill certain payment obligations to the plaintiff who has the right to claim payment. The lawsuit of confirmation refers to the plaintiff asking the court to confirm the existence or non-existence of the legal relationship it claims The difference between a civil action request and an action for confirmation is that the party only requires the people's court to confirm the existence of the disputed legal relationship between the parties, and does not directly require the people's court to order a payment. According to the above definitions, which of the following is the confirmed action in the following items? ["Liu has repeatedly claimed that Zhao's academic papers were plagiarized many times in public. Zhao found Liu's theory and asked him to apologize, but Liu refused. Zhao filed a lawsuit to the people's court and asked Liu to stop Infringement, apology.", "Ms. Zhou often had quarrels with her husband after marriage, which seriously affected the relationship between the two, so she proposed to divorce her husband, and the husband expressed disagreement. Ms. Zhou filed a lawsuit to the people's court, demanding that the marriage relationship be dissolved.", 'Dr. Zhang found a seriously ill baby abandoned by his parents in the corridor of the pediatric ward. Dr. Zhang found the parents of the baby, but the parents still refused to raise the baby. Dr. Zhang sued the parents of the baby to the court for abandonment.', 'Ms. Wang registered the house she bought at the expense of her brother so that her nephew could go to school nearby. When her brother sued for divorce, the house was listed as marital property, and Ms. Wang filed a lawsuit to the court claiming that she was the owner of the house.']