Assertion: dean | /r/AtLocation | length
Facets:
value: to prevent
type: PURPOSE
Source sentences:
text: In fact, Sam is completely unaware of Gadreel's presence, as the angel spends most of this time laying dormant in Sam's subconscious and he and Dean go to some lengths to prevent him finding out about it because Sam could prematurely expel Gadreel if he found out.