Tender is related to Weak. Weak is a synonym of Slight. 
Human is the opposite of Machine. Machine can be used for Survey. Survey is a synonym of View. View is a synonym of Inspection. 
Tender <--RelatedTo--> Weak <--Synonym--> Slight 
Human <--Antonym--> Machine --UsedFor--> Survey <--Synonym--> View <--Synonym--> Inspection 