Desk is related to Put. Put is related to Organize. Organize is a type of Initiate. Undertake is a type of Initiate. 
Maximum is related to Extreme. Extreme is a synonym of Severe. Severe is related to Depression. Depression is related to Sad. 
Desk <--RelatedTo--> Put <--RelatedTo--> Organize --IsA--> Initiate <--IsA-- Undertake 
Maximum <--RelatedTo--> Extreme <--Synonym--> Severe <--RelatedTo--> Depression <--RelatedTo--> Sad 