Sister is a synonym of Lady. Lady is related to Luck. 
you are likely to find Voice in/at/on Telephone. Voice is a synonym of Gender. Gender is related to Sex. Female is a type of Sex. 
Sister <--Synonym--> Lady <--RelatedTo--> Luck 
Telephone <--AtLocation-- Voice <--Synonym--> Gender <--RelatedTo--> Sex <--IsA-- Female 