Pace is a synonym of Yard. you are likely to find Yard in/at/on Property. Property is related to Map. you are likely to find Map in/at/on Classroom. 
Celebration is related to Christmas. Christmas is related to Winter. 
Pace <--Synonym--> Yard --AtLocation--> Property <--RelatedTo--> Map --AtLocation--> Classroom 
Celebration <--RelatedTo--> Christmas <--RelatedTo--> Winter 