Difference between Sightseeing seat, VIP seat, First class cabin, Soft seat

Usually, the ticket price for sightseeing seat and first class cabin is the same, which is the highest on the high-speed trains. VIP seat cost is a little higher than that of first class seat. The main difference between sightseeing seat, VIP seat and first class cabin is the comfort degree of the seat. There are always 3 seats in one row in these carriages and the seats are close to the cockpit. In the first class seat and second class seat carriage, 4 seats and 5 seats are respectively equipped in one row.