Match the column I with column II and mark the correct option from the codes given below.

	Column I		Column II
i ii iii iv v	$xy+a^2-a(x+y)$ $2x^2-72xy+23y^2-4x-28y-48=0$ $6x^2-5xy-6y^2+14x+5y+4=0$ $14x^2-4xy+11y^2-44x-58y+71=0$ $4x^2-4xy+y^2-12x+6y+9=0$	p q r s	Ellipse Hyperbola Parabola Pair of straight lines