issue	A.mean	A.std	B.mean	B.std
value.4.money	6.8	0.2	7	0.3
program	5.5	0.2	7.3	0.3
safety	8.8	0.4	4.1	0.8
comfort	7.4	0.8	6.2	1.2
care.4.envir	6.2	0.5	5.1	0.4