Original sentence: The vocabulary of LSCV is 72% similar to that of LSE, so some linguists maintain that the former is unique enough to have its own grammar, as is the case with Catalan Sign Language (LSC)
Edited sentence: The vocabulary of LSCV is only 72% similar to that of LSE, so some linguists maintain that the former is unique enough to have its own grammar, as is the case with Catalan Sign Language (LSC)