Specify is a synonym of Determine. Determine is a synonym of Arrange. Stack is a type of Arrange. 
Organism wants (to) Live. Live is related to Be. Be is related to Beginning. Threshold is a type of Beginning. 
Specify <--Synonym--> Determine <--Synonym--> Arrange <--IsA-- Stack 
Organism --Desires--> Live <--RelatedTo--> Be <--RelatedTo--> Beginning <--IsA-- Threshold 