Six colleagues sit around a circular table, facing the centre, for a meeting. The colleagues are Nidhi, Padma, Quresh, Onkar, Sameer and Ritika. Onkar sits directly opposite Nidhi. Padma sits immediately to the left of Nidhi. Quresh sits second to the left of Nidhi. Ritika does not sit next to Onkar. How many people sit between Padma and Sameer, counting from Padma’s left, round to Sameer?