Maintenance is a type of Support. Support is related to Need. Need is related to Poverty. 
Miss is related to Address. Greet is a type of Address. Greet is a type of React. 
Maintenance --IsA--> Support <--RelatedTo--> Need <--RelatedTo--> Poverty 
Miss <--RelatedTo--> Address <--IsA-- Greet --IsA--> React 