Roleset articulate.01 Verbnet Class: 1 "speak clearly":

Roles:

Arg0:speaker


Arg1:utterance


Arg2:hearer (in theory possible)

Examples:

person: ns tense: ns aspect: ns voice: ns form: infinitive


just transitive (-)
If Mr. Mason had used less derogatory language [*-1] to articulate his amateur analysis of the voting behavior of his fellow New Yorkers, would the water be quite so hot?
Arg0:	[*-1] -> Mr. Mason
REL:	articulate
Arg1:	his amateur analysis of the voting behavior of his fellow New Yorkers

I doubt the hearer arg would ever appear, but class membership predicts it.