. _:vb51066525 _:vb51066526 . _:vb51066524 . . _:vb51065956 . _:vb51066524 _:vb51066525 . "A sub property of participant. The participant who is at the sending end of the action."@en . . _:vb51066525 . _:vb51067043 _:vb51067044 . _:vb51065956 . _:vb51065957 . _:vb51065957 . _:vb51067042 . _:vb51067042 _:vb51067043 . _:vb51066526 . _:vb51067042 . _:vb51067043 . . _:vb51065956 . _:vb51067043 . _:vb51066526 . . _:vb51065956 _:vb51067042 . . _:vb51067044 . _:vb51065957 . . _:vb51066524 . _:vb51066525 . _:vb51066526 . . _:vb51065957 _:vb51066524 . _:vb51067044 . "Sender"@en . _:vb51067044 .