Does menstruation have a green card niece in the UK who can apply for a visit visa?

My aunt has a British green card, and my niece can apply for a tourist visa. According to China Travel. A visiting visa in the UK is a visa issued to family members living in the UK. Among them, according to UKBA, the applicant's spouse, parents, children (in addition, adopted children are also regarded as biological children of adoptive parents in British law), grandparents, grandchildren, brothers and sisters, uncles and aunts, nephews, nieces, immediate cousins and sons. Parents and siblings of the applicant's spouse, as well as the spouse of the applicant's children. Stepparents, stepbrothers and sisters of the applicant. Have lived with the applicant for at least two years in the three years before entering the UK. In addition, the parties to a de facto marriage also belong to the category of "relatives".