Words given on the left side of (::) are related with each other by some Logic/Rule/Relation. Select the missing word/ word pair on the right aide of (::) from the given relatives based on the same Logic/Rule/Relation.

Rodent : Rat  :: ?

Crockery : Cup

The relation between the first and second terms is that the second term is an animal that belongs to the classification in the first term.

By the same logic, option 1 is the most suitable answer.

Crockery is the classification and cup is one example of it.