Anchor: Organizations relied on both internally and externally developed and presented training courses, sometimes engaging contractors or others to assist.
Entailed: Organizations sometimes engaged contractors.
Contradiction: Contractors were never engaged.
Contradiction: The cat emerged from the tunnel.
Contradiction: That's uplifting.
Contradiction: I don't think there's a legitimate reason for it at all. 
Contradiction: Jon shot the horse before it trampled San'doro.