Each of P, Q, R, S, T, U and V travelled to a different city, viz. Delhi, Mumbai, Kolkata, Chennai, Bengaluru, Patna and Puri on a different day of a week starting from Monday and ending on Sunday of the same week, not necessarily in the same order. P travelled to Delhi on Wednesday. Only two people travelled between P and the one who travelled to Puri. Only three people travelled between Q and the one who travelled to Puri. R travelled immediately before Q. Only three people travelled between R and the one who travelled to Patna. Only one person travelled between V and the one who travelled to Patna. S travelled immediately after the one who travelled to Chennai. Only two people travelled between S and the one who travelled to Mumbai. T travelled on one of the days before U. The one who travelled to Kolkata did not travel on Monday. How many people travelled between U and the one who travelled to Bengaluru?