Assertion: jack | /r/UsedFor | refer to the face of boe
Facets:
value: in the stealers of dreams
type: TEMPORAL
Source sentences:
text: In The Stealers of Dreams, Jack refers to the Face of Boe as a famous figure in his home era; the producers of the series had not conceptualized the possibility of a Jack and Boe connection until mid-way into the production of the 2007 series.