Task: Property Constraint Reasoning (ontology: Earth_Environment/EnvironmentOntology)

The property 'determined by part of' applies to instances of 'system', and 'processing line' is a subclass of 'system'. Which class can appear as the value of 'determined by part of' for instances of 'processing line'?

A. process
B. material entity
C. increased amount
D. emulsifier

Answer: material entity