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 X

Second:

▢ X X X X
▢ 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
X X X ▢ X

Expression: The target grid has a distinct pattern of filled and empty cells, with three columns of consecutive Xs followed by two columns of empty cells.
Question: Which grid does the expression refer to?
Start with the tag "Answer: ", followed by your selection. Omit any other text.

Answer: First

The expression describes a grid with three columns of consecutive Xs followed by two columns of empty cells. The first grid is the only grid that matches this description.
assistant
Answer: First

The expression describes a grid with three columns of consecutive Xs followed by two columns of empty cells. The first grid is the only grid that matches this description.
assistant