Playing matchpoint.
In 4th hand a Pass could be right, but opening 1♦ seems right here.
Now 3N looks like a reasonable bid (gamble), but in MP with 15 comparisons, both pass and 2♣ could be right.
On the other hand we know that EW have the majors, and at least a 9-card fit in ♠, so passing and letting them into the game seems wrong.
I decided to bid 2♣
Well, again pass could be right, especially as the bots in this sequence probably won't balance, on the other hand 3♦ would show 6+♦, 4+♣ and 16-17 total points. A perfect description of the hand
So the bidding continued
Having describe my hand perfectly Pass was the only option here
Spoiler