She.
One learns something new every day.
To be on the safe side from now on I will use terms like "he/she", "left/right/maybe" , "young/old/whatever", except where persons referred to have made known to me their gender, religious persuasion, political disposition, sexual orientation, age, marital status, relationships, ancestry, nationality, cultural origin, planet and galaxy of birth, genetic relationship to primordial soup of original species, education, occupation, skills, wills, inspirations, specifications, habits, interests, likes, dislikes, phobias, abilities, disabilities, powers, super-powers, spacial awareness, IQ, EQ, PDQ, QI, ESP, ABC, XYZ, etc ...