Task: Text Simplification
Input (English): baduhennna is solely attested by tacitus ' annals where tacitus records that a grove in frisia was dedicated to her , and that near this grove 900 roman prisoners were killed in 28 ce.
Output (English): baduhennna is solely confirmed by tacitus ' annals , where tacitus wrote that a grove in frisia was dedicated to her , and that near this grove , 900 roman prisoners were killed in 28 ce.