30. A computer-imlemented method according to claim 29 , further comprising: dropping, using the computer system, one or more words situated relative to a grammatical phrase boundary.
30. A computer-imlemented method according to claim 29 , further comprising: dropping, using the computer system, one or more words situated relative to a grammatical phrase boundary. 31. A computer-imlemented method according to claim 30 , further comprising: adding, using the computer system, one or more words situated relative to one or more non-dropped words.