The diagram shows a bracelet that contains two magnets. The arrows show the shape and direction of the magnetic field produced by the magnets. Which row gives the magnetic pole at J, the magnetic pole at K and the place where the magnetic field is strongest?
- AJ: N, K: N, X
- BJ: N, K: N, Y
- CJ: S, K: S, X
- DJ: S, K: S, Y