##fileformat=VCFv4.1
##INFO=<ID=AB,Number=1,Type=String,Description="Alt Base">
##INFO=<ID=CD,Number=.,Type=String,Description="Alt Base">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	test
chr2	21	.	A	G	.	.		GT	.
chr2	24	.	G	T	.	.	AB	GT	.
chr2	48	.	C	T	.	.	CD	GT	.
chr2	75	.	T	C	.	.	AB;CD	GT	.
