The following sentence $($a$)$ has been rewritten $($b$)$ to comply with academic standards. Indicate whether the rewritten sentence $($b$)$ illustrates tentativeness, acknowledgement, objectivity, formality or clarity.

a$)$ The study came up with a great classification model of some of the indigenous species.

b$)$ The study provided a concise classification model of certain indigenous species.

Select one:

a$.$ Objectivity

b$.$ Tentativeness

c$.$ Acknowledgment

Clarity

e$.$ Formality