Strategy is a type of Company. you are likely to find Company in/at/on City. you are likely to find Cemetery in/at/on City. 
Trick is etymologically related to Trigger. Trigger is part of Gun. Gun is related to Arm. 
Strategy --IsA--> Company --AtLocation--> City <--AtLocation-- Cemetery 
Trick --EtymologicallyRelatedTo--> Trigger --PartOf--> Gun <--RelatedTo--> Arm 