A θ B means A is the sister of B, A Δ B means A is the father of B; A ∈ B means A is the brother of B, which of the following means that X is the aunt of Y?

1
X θ D ΔY
2
X Δ Y ∈ D
3
X Δ D ∈ Y
4
X ∈ D Δ Y

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