	foods	clothes	appliances	
John	[1,	2,	3]
Josh	[4,	5,	6]

	John	Josh	
a	[1.1,	2.2]
b	[3.3,	4.4]
c	[5.5,	6.6]

	a	b	c	
John	[a,	b,	c]
Josh	[d,	e,	f]
