Helen (53) is unmarried, and her two daughters, Hailey (22) and Alice (19), lived with her the entire year. Hailey also has a daughter, Emma (2), who lives with her mother and grandmother. Hailey is not a student. Hailey will file her own return, and if possible, Hailey would like to claim Emma as her dependent. Alice is a full-time student at Your Local Community College. She received a scholarship that covered the cost of her tuition and related expenses. Helen's wages were $38,150; Hailey's were $7,350; Alice and Emma have no income. What is Helen's correct and most favorable 2019 filing status?

1. Single.

2. Married filing jointly.

3. Married filing separately.

4. Head of household.

5. Qualifying widow(er).