Task: Description Logic Reasoning (ontology: Sciences/Conference)

Given the following Description Logic expression, determine whether it is satisfiable with respect to the local ontology module. Answer only true or false.

Expression:
∃has_a_committee_chair.(∀has_contributions.(Presentation)) ⊓ ∀has_a_committee_chair.(∃has_contributions.(¬(Presentation)))

True. true
False. false

Answer: false