Assignment is related to Task. Task is related to Rule. Rule is related to Foot. Foot is part of Body. 
Condition is related to General. General is related to Noise. Explosion is a type of Noise. Explosion is a synonym of Boom. 
Assignment <--RelatedTo--> Task <--RelatedTo--> Rule <--RelatedTo--> Foot --PartOf--> Body 
Condition <--RelatedTo--> General <--RelatedTo--> Noise <--IsA-- Explosion <--Synonym--> Boom 