Answer is related to Guess. Guess is a synonym of Estimate. Estimate is a type of Statement. Statement is related to Reply. 
Learning is related to Print. Print is related to Plain. Plain is related to Obvious. Obvious is a synonym of Apparent. 
Answer <--RelatedTo--> Guess <--Synonym--> Estimate --IsA--> Statement <--RelatedTo--> Reply 
Learning <--RelatedTo--> Print <--RelatedTo--> Plain <--RelatedTo--> Obvious <--Synonym--> Apparent 