Leave is related to Alone. Alone is related to Only. Only is related to Exclusive. 
Sodium is related to Salt. Salt is related to Mineral. Mineral is related to Sand. 
Leave <--RelatedTo--> Alone <--RelatedTo--> Only <--RelatedTo--> Exclusive 
Sodium <--RelatedTo--> Salt <--RelatedTo--> Mineral <--RelatedTo--> Sand 