['composition', 'vary', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('creating_by_mental_acts.n.01')", 'differ-23.4', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
The composition of the audience varies.
the Synset('creating_by_mental_acts.n.01') of the Synset('group.n.01') varies.