Task: Class Definition Understanding (ontology: Legal/LKIF_Core_Ontology)

Which of the following definitions best describes 'Agent'?

A. A the concept is a 'causal' change: any change which can be explained through some known or understood causal structure. Every the concept has some Time Period as duration.
B. A the concept is a difference between the situation before and after the the concept occurs (the event of the the concept). A the concept can be instantaneous
C. An the concept is any owl:Thing which can act, i.e. play the 'actor' role wrt. an action
D. An the concept is a group of other organisations or persons which acts 'as one'. An the concept can be both formal (i.e. created by law or decree) or informal.

Answer: An the concept is any owl:Thing which can act, i.e. play the 'actor' role wrt. an action