##fileformat=VCFv4.2
##contig=<ID=A>
##contig=<ID=B>
##INFO=<ID=END,Number=1,Type=Integer,Description="End position of the variant described in this record">
##INFO=<ID=SRC,Number=.,Type=String,Description="Source file">
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	sample2
A	1	.	G	C	1	.	SRC=file2	GT	1/1
B	1	.	G	C	2	.	SRC=file2	GT	1/1
B	2	.	A	C	2	.	SRC=file2	GT	1/1