A person has six daughters, P, Q, R, S, T and U, who live in four metros. They are a Pilot, Accountant, Diplomat, Banker, Commando, and Teacher. Three daughters are married. S, who lives in Mumbai, is a Diplomat. Those staying in Kolkata are the Commando and the Accountant. One of the two Mumbaiites is married, while two of the unmarried ones live in Kolkata and Delhi respectively. The Teacher lives in Chennai. T, the Accountant, is married. U lives in Mumbai and P, in Delhi. Q is a Commando, and Commandos do not marry. Which of the following assertions is/are TRUE?