It is saying to give the definition of the word ambiguous, if that didnt help then you need to ask more clearer.
B. A possessive noun should have its instead of it's (which is a contraction for it is).
For A. Diana is a singular noun and the apostrophe should come after the r instead of after the s.
For C. The duck would've dunked ITS instead of IT'S beak since it is possessive.
For D. You do not need to put an apostrophe since theirs is already a possessive noun.
The answer is B. Therefore
Answer:
The correct option is A i.e. object.
Explanation:
As the information is explaining the properties of Native Americans, thus this is an object oriented informative speech.