##fileformat=VCFv4.1
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	sample1	sample2
chrA	2	.	A	T	500.0	.	.	GT	0/1	0/1
chrA	3	.	C	G	500.0	.	.	GT	0/1	0/1
chrA	5	.	G	T	500.0	.	.	GT	0/1	0/0
chrB	7	.	C	T	500.0	.	.	GT	0/1	0/1
