Animal is related to Nervous. Nervous is a synonym of Anxious. Anxious is a synonym of Worried. 
Bucket can be used for Hold. Counter can be used for Hold. Counter is related to Table. Table is related to Cover. 
Animal <--RelatedTo--> Nervous <--Synonym--> Anxious <--Synonym--> Worried 
Bucket --UsedFor--> Hold <--UsedFor-- Counter <--RelatedTo--> Table <--RelatedTo--> Cover 