In Δ ABC, If D, E, F are the Midpoints of the sides BC, CA, AB. Also G is its centriod, S is circum centre H is orthocentre then Match the following lists

	List - I		List - II
I)	$\stackrel{\rightharpoonup }{\mathrm{AD}} + \stackrel{\rightharpoonup }{\mathrm{BE}} + \stackrel{\rightharpoonup }{\mathrm{CF}}$	a)	$\stackrel{\rightharpoonup }{GS}$
II)	HG	b)	$\stackrel{\rightharpoonup }{O}$
III)	$\stackrel{\rightharpoonup }{OD} + \stackrel{\rightharpoonup }{OE} + \stackrel{\rightharpoonup }{OF}$	c)	$\frac{1}{2} \stackrel{\rightharpoonup }{AC}$
IV)	$\stackrel{\rightharpoonup }{\mathrm{AD}} + \frac{2}{3}\stackrel{\rightharpoonup }{\mathrm{BE}} + \frac{1}{3}\stackrel{\rightharpoonup }{\mathrm{CF}}$	d)	3 $\stackrel{\rightharpoonup }{OG}$
		e)	$\frac{2}{3} \stackrel{\rightharpoonup }{HS}$