With North dealer, the bidding goes as follows:
2H* X P 2NT
P 4S All Pass
2H was alerted as Ekrens, showing a weak hand with at least 5-4 in the majors, either way (the partnership agreement). 4S goes 2 off.
At the end of the hand, West claims that she would have passed with the correct information.
How do you rule?

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