You are given three grids, where each of them is 5 by 5 in size.
Grids have empty cells marked with "▢" and filled cells marked with "X".
You are also given a referring expression that describes one of the given grids.
Your task is to select the grid that matches the given referring expression.
Generate only the number (in text) of the grid that matches the given expression by selecting first, second, or third.

First:

X X X X X
X ▢ X ▢ X
X ▢ X ▢ X
X ▢ X ▢ X
X X X X X

Second:

X X X X X
X ▢ ▢ ▢ X
X ▢ ▢ ▢ X
X ▢ ▢ ▢ X
X X X X X

Third:

X X ▢ X X
X X ▢ X X
▢ ▢ ▢ ▢ ▢
X X ▢ X X
X X ▢ X X

Expression: The grid with a filled border and horizontal lines of filled cells in the middle rows.
Question: Which grid does the expression refer to?
Start with the tag "Answer: ", followed by your selection. Omit any other text.

Answer: Second

Explanation:

The second grid has a filled border (all cells around the edge are filled) and horizontal lines of filled cells in the middle rows (the third and fourth rows have filled cells in the second, third, and fourth columns). The first and third grids do not meet these criteria. The first grid has horizontal lines of filled cells in the middle rows, but it does not have a completely filled border. The third grid has a filled border,
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Answer: Second

Explanation:

The second grid has a filled border (all cells around the edge are filled) and horizontal lines of filled cells in the middle rows (the third and fourth rows have filled cells in the second, third, and fourth columns). The first and third grids do not meet these criteria. The first grid has horizontal lines of filled cells in the middle rows, but it does not have a completely filled border. The third grid has a filled border,
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