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