Answer : 1. "1"
Explanation :

either will be used after tell me because either — or is the right pair of correlative Conjunction like neither — nor. It shows a relationship between two things or two situations. Either comes after the Verb when the two actions mentioned are similar (they share the same Verb) Either comes before the Verb when the two actions mentioned are different. Look at the examples given below : She wants to play either tennis or volleyball. She wants to either go shopping or relax in the park. Hence, you must tell me either is the right usage.