Note is related to Key. Key is related to Item. Item is related to Soap. Soap is related to Scent. 
Poster is related to Wall. you are likely to find Gate in/at/on Wall. Gate is related to Passage. Passage is a synonym of Transit. 
Note <--RelatedTo--> Key <--RelatedTo--> Item <--RelatedTo--> Soap <--RelatedTo--> Scent 
Poster <--RelatedTo--> Wall <--AtLocation-- Gate <--RelatedTo--> Passage <--Synonym--> Transit 