Bob and Sue work for Tools, Inc. in the production department. Sarah is their supervisor. Bob has a disability and filed a complaint with Tools' human resources office alleging he was discriminated against by Sarah because of his disability. The HR department conducted an investigation and Sue was interviewed. Sue stated that she witnessed the discrimination by Sarah against Bob. The HR department found Bob's complaint to be valid. After HR released its findings, Sarah became very upset about Sue testifying against her, so she demoted Sue. Now, Sue has filed a complaint alleging retaliation. To prove her retaliation claim, Sue must demonstrate all of the followingrexcept:

she participated in the complaint process.

she was demoted.

her demotion was related to her participation in the complaint process.

her fellow employee was successful in his disability discrimination claim.