Detainee was exercised and taken to the bathroom. Upon returning to booth he was told to clean his room. He picked up trash and swept floor. He was subjected to white noise and lead left room. Lead was then informed that detainee appeared to be crying and wished to see him. Lead returned to booth and asked what detainee wanted. Detainee asked if he could have food and water. Lead told detainee that he would give him food and water but if he mentioned going on strike from food and water as he has in the past lead would take it away. Detainee related that he would not mention going on food / water strike anymore to lead.