♠KJxx
♥KJ
♦AKQxxx
♣x
1♣-1♦
1NT
EDIT: (In reality bid wasn't 1♦ but 1♠= diamonds or balanced but its almost the same)
At the table the palyer bid 2♦, but I pointed out that maybe 2♠ is better, it happened that the 3 of us had different views on the differences and generated some discussion.
My father thought that 2♠ must pinpoint heart shortness
Lantaron said that 2♠ shows a pure 2 suiter with concentrated honnors, while 2♦ is bid when other strains are likelly.
I though 2♠ showed 6-4
what do you think?

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