Six persons - Priyanka, Pari, Pooja, Pinky, Paro, and Priya, stand in a line in decreasing order of their height from left to right. Only two persons are shorter than Priya. Pooja is immediately taller than Pari. Pooja is taller than Priya. Priyanka is taller than Pinky. Pinky is not the shortest person. At least two persons stand between Priyanka and Pinky. How many persons are taller than Paro but shorter than Priyanka?