Child is related to Big. Big is related to Ocean. Ocean is related to Huge. Huge is related to Great. 
Prayer is related to Wish. Wish is a synonym of Need. Need is related to Poor. 
Child <--RelatedTo--> Big <--RelatedTo--> Ocean <--RelatedTo--> Huge <--RelatedTo--> Great 
Prayer <--RelatedTo--> Wish <--Synonym--> Need <--RelatedTo--> Poor 