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".
Your task is to generate a referring expression that best describes the target grid while distinguishing it from the two other distractor grids.
The first grid is the target grid, and the following two grids are the distractors.

Target grid:

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

Distractor grid 1:

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

Distractor grid 2:

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

Instruction: Describe the target grid.
Generate the referring expression starting with the tag "Expression: " for the given target grid. Omit any other text.
Expression: The grid with X marks in the third column from the left.
assistant
Expression: The grid with a diagonal row of Xs from the top left to the bottom right

This description refers to the target grid and distinguishes it from the distractors. Distractor grid 1 has a diagonal row of Xs from the bottom left to the top right, while distractor grid 2 has Xs in a vertical line along the left edge.
assistant