Calendar is related to May. May is related to Would. Would is related to Should. Should is the opposite of Ought. 
Computer is part of Network. you are likely to find Computer in/at/on Car. Car is related to Bar. 
Calendar <--RelatedTo--> May <--RelatedTo--> Would <--RelatedTo--> Should <--Antonym--> Ought 
Network <--PartOf-- Computer --AtLocation--> Car <--RelatedTo--> Bar 