Task: Inferred Class Relation Reasoning (ontology: Food_Agriculture/FoodOn)

After reasoning, which of the following classes is one valid superclass of 'pigeon'?

A. multicellular anatomical structure
B. beef sirloin tip steak (raw)
C. cow foot (raw)
D. concentration of galacturonic acid derived from galacturonan derived from pectin in material entity

Answer: multicellular anatomical structure