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

The property 'was triggered by' applies to instances of 'process', and 'act of sampling' is a subclass of 'process'. Which class can appear as the value of 'was triggered by' for instances of 'act of sampling'?

A. human activity
B. process
C. manned
D. saturation property

Answer: process