Report is related to Explanation. Excuse is a type of Explanation. Excuse is a type of Forgive. Apology would make you want to Forgive. 
Birth is related to New. New is the opposite of Expert. 
Report <--RelatedTo--> Explanation <--IsA-- Excuse --IsA--> Forgive <--CausesDesire-- Apology 
Birth <--RelatedTo--> New <--Antonym--> Expert 