premise: Joanne Froggatt (born 23 August 1980) is an English actress of stage, television, and film. From 2010, she played lady's maid Anna Bates in all six seasons of the period drama "Downton Abbey". For this role, she received three Primetime Emmy Award nominations for Outstanding Supporting Actress in a Drama Series and won the Golden Globe Award for Best Supporting Actress on Television in 2014.
hypothesis: Joanne Frogatt worked as a lady's maid from 2010.
reason: Joanne Frogatt played a lady's maid, not worked as one. The system has misinterpreted the context.