Analogy (verbal reasoning): Identify the pair with the same relationship as "PORK : PIG". Match “meat/product derived from the named animal.” Choose the option that mirrors this animal–meat relation.

Concept/Approach
Pork is the meat that comes from a pig. We seek “meat : source animal.”

Option analysis
mutton:sheep — mutton is meat from a sheep. Correct mapping and order.steer:beef — reversed (animal : meat) and not consistent with the stem order.rooster:chicken — rooster is a male chicken; not meat:animal.lobster:crustacean — taxonomic class, not a meat relation.

Final Answer
mutton:sheep