Five friends – Vaishali, Rashmi, Payal, Nidhi, and Niyati – study in three different classes VI, VII, and VIII, not necessarily in the same order. Each of them likes a different pen – P, Q, R, S, and T. Not more than two and not less than one study in any class. • Rashmi likes pen S and studies in the same class in which only Vaishali studies, i.e., class VI. • Niyati likes pen Q and does not study in class VIII. • Nidhi studies in class VIII and does not like pen P or T. • Payal does not like pen T and studies in class VIII. Which pen does Vaishali like?