Doll is related to Box. you are likely to find Gift in/at/on Box. 
Mother is related to Baby. Baby is related to Nest. Nest is related to Plate. you are likely to find Sauce in/at/on Plate. 
Doll <--RelatedTo--> Box <--AtLocation-- Gift 
Mother <--RelatedTo--> Baby <--RelatedTo--> Nest <--RelatedTo--> Plate <--AtLocation-- Sauce 