question: What two DNA haplogroups predominate in modern Slavic peoples ?
answer: R1a1a -LSB- M17 -RSB- and I2a2a
turker_answer: R1a1a -LSB- M17 -RSB- and I2a2a are the two DNA haplogroups predominate in modern Slavic peoples .
rule-based: R1a1a -LSB- M17 -RSB- and I2a2a predominate in modern Slavic peoples .