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4 rows affected
| t1_txt | t2_txt | common_words |
|---|---|---|
| word1 word2 word3 | word3 word1 | word1,word3 |
| word1 word2 word3 | word6 word5 word2 | word2 |
| word4 word5 | word6 word5 word2 | word5 |