##fileformat=VCFv4.2
##FILTER=<ID=PASS,Description="All filters passed">
##contig=<ID=1,assembly=b37,length=249250621>
##reference=file:ref.fa
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	A	B	C	D
1	1890	.	A	G	.	.	.	GT	./.	1|.	./.	1|1
