Hitchcock drew on a 20-year-old <e1>novel</e1> by the future <e2>governor-general</e2> of Canada, John Buchan.
Hitchcock drew on a
Hitchcock drew on a 20-year-old novel by the future governor-general of Canada, John Buchan.
<triplet> novel <subject> governor-general <object> Product-Producer(e1,e2)