Task: Class Relation Understanding (ontology: Food_Agriculture/PlantOntology)

Which of the following classes is one valid superclass of 'vascular leaf founder cell'?

A. 2.01 main shoot and axillary shoots visible at one node stage
B. 2.03 main shoot and axillary shoots visible at three nodes stage
C. phyllome founder cell
D. 2.04 main shoot and axillary shoots visible at four nodes stage

Answer: phyllome founder cell