you are likely to find Heart in/at/on Person. Latin is a type of Person. Latin is related to Post. Post is related to British. 
Mail is related to Rush. Rush is a type of Act. Volunteer is a type of Act. Volunteer is a type of Inform. 
Heart --AtLocation--> Person <--IsA-- Latin <--RelatedTo--> Post <--RelatedTo--> British 
Mail <--RelatedTo--> Rush --IsA--> Act <--IsA-- Volunteer --IsA--> Inform 