a	MATCH  b  AGAINST ('lala lkjh')
1	0.67003110026735
2	0
3	0
a	MATCH  c  AGAINST ('lala lkjh')
1	0
2	0.67756324121582
3	0
a	MATCH b,c AGAINST ('lala lkjh')
1	0.64840710366884
2	0.66266459031789
3	0