Which of the following statements are true regarding Search functionality in Ariba? There are 2 correct answers to this question.

Which of the following statements are true regarding Search functionality in Ariba? There are 2 correct answers to this question.
A . To exclude search options, you need to use a dash
B . Stemming allows users to search, for example, for either "battery" or "batteries" and find results for both
C . Trailing wildcard searching is not automatic for keyword searches
D . Ariba will attempt to return results only if the spelling isperfect

Answer: A,B