Struggle is a synonym of Aim. Aim is a synonym of Attempt. Attempt is related to Apply. Apply is a type of Request. 
Section is part of Band. Band is related to Loud. Loud is similar to Vocal. 
Struggle <--Synonym--> Aim <--Synonym--> Attempt <--RelatedTo--> Apply --IsA--> Request 
Section --PartOf--> Band <--RelatedTo--> Loud <--SimilarTo--> Vocal 