Pledge: Refers to the debtor or a third party to transfer its movable property or rights to the creditor for the purpose of guaranteeing the performance of the creditor's right. When the debtor does not perform the debt, the creditor has the priority to receive compensation for the property it possesses. Based on the above definition, which of the following is a pledge? ['Zhao borrowed 300,000 yuan from Liang, mortgaged his house for 150,000 yuan to Liang, and registered the mortgage according to law.', 'Sun Mou borrowed 500,000 from the bank for Ding, so he found a good local Chen as a guarantee and gave him a good cigarette worth 500 yuan.', 'Lee repaired the TV in the second place, because the money was not enough, he put his watch in the second place, and said that the next day he took the money and took the TV away.', 'Qian borrowed a bicycle from Zhao and wrote the receipt in black and white.']