XXXXXXXX. S, XXXX, Signed languages XXX XX so many XXXXXX XXXXXX languages can’t, The XXXXXXXX, XXXXXX XXXXX, XXXXXXXXX on October 20, 2014, and retrieved XXXX theguardian.XXX/XXXXXXXXXXXXX/2014/XXX/XX/XXXXXX-languages-XXX-do-so-XXXX-XXXXXX-spoken-XXXXXXXXX-XXXX