Next, I need to go through each sentence and replace the non-proper nouns with three variants. For example, "Furthermore" could become Additionally, ensuring that "Furthermore" is included as one of the options so the sentence still makes sense. But wait, the user wants three variants per word. So for each word, three synonyms. Need to make sure that the sentence structure remains grammatically correct after substitution.
"Understanding the genetic mechanisms underlying cancer development and progression can lead to the development of novel therapeutic strategies." → siberian-mouse-hd-154-msh2-003
"of the Siberian mouse HD 154 and the MSH2-003 variant" → proper nouns stay. Next, I need to go through each sentence