PERSON@1 accuses Mu'izzi of copying the verses of other poets -LRB- which can not be proven for certain -RRB- , yet PERSON@1 himself is known to have copied PERSON@2 's verses .

PERSON@1 says PERSON@2 copied the verses of other poets -LRB- this can not be proven for certain -RRB- . PERSON@1 himself is known to have copied Mu'izzi 's verses .
