Please is related to Make. Make is a synonym of Manufacturing. 
Cover is related to Blanket. Blanket is related to Pillow. you are likely to find Feather in/at/on Pillow. 
Please <--RelatedTo--> Make <--Synonym--> Manufacturing 
Cover <--RelatedTo--> Blanket <--RelatedTo--> Pillow <--AtLocation-- Feather 