# data[].attributes.headline
a rhombus is a parallelogram with four congruent sides

# data[].attributes.subject
a rhombus is a parallelogram with four congruent sides

# data[].attributes.headline
a rectangle is a parallelogram with four right angles

# data[].attributes.subject
a rectangle is a parallelogram with four right angles

# data[].attributes.headline
a square is a parallelogram with four congruent sides and four right angles

# data[].attributes.subject
a square is a parallelogram with four congruent sides and four right angles

# data[].attributes.headline
- parallelogram can be a square, rhombus, and rectangle

# data[].attributes.subject
- parallelogram can be a square, rhombus, and rectangle

# data[].attributes.body
- a rhombus and a rectangle can not be a square