Six friends Asha, Barsha, Celia, Disha, Emily and Farheen are sitting in a row facing north. Celia is sitting between Asha and Emily. Disha is not at the edge. Barsha is sitting to the immediate right of Emily. Farheen is not at the right end.
How many persons are there to the right of Disha?
1
2
2
4
3
3
4
1