Machine is related to Electric. Electric is related to Charge. Charge is related to Positive. Positive is related to Bless. 
Environment is a type of Situation. Environment is related to Home. Home is related to Driveway. 
Machine <--RelatedTo--> Electric <--RelatedTo--> Charge <--RelatedTo--> Positive <--RelatedTo--> Bless 
Situation <--IsA-- Environment <--RelatedTo--> Home <--RelatedTo--> Driveway 