Activity is related to Bring. Bring is related to Unite. 
Logical is a synonym of Legitimate. Legitimate is a type of Change. Change is related to Conversion. Conversion is a type of Transformation. 
Activity <--RelatedTo--> Bring <--RelatedTo--> Unite 
Logical <--Synonym--> Legitimate --IsA--> Change <--RelatedTo--> Conversion --IsA--> Transformation 