{HEAD ~ Machine} assisted {TAIL ~ means} may be provided for creating work sharing, work delegating and informational sharing agreements between different users 
assisted
{ HEAD ~ Machine } assisted { TAIL ~ means } may be provided for creating work sharing , work delegating and informational sharing agreements between different users
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH