Sentence:  A <WSD>kite</WSD> is a quadrilateral with exactly two pairs of adjacent congruent sides. Note that a parallelogram has opposite congruent sides, whereas the congruent sides of <WSD>kites</WSD> are adjacent. Therefore, a <WSD>kite</WSD> is also a parallelogram only when both pairs of adjacent congruent sides of the <WSD>kite</WSD> are congruent to each other, making the <WSD>kite</WSD> a rhombus. 
Meaning of the word marked with <WSD> tags:  A polygon resembling the shape of a traditional toy kite "(sense 3)": a quadrilateral having two pairs of edges of equal length, the edges of each pair touching each other at one end.