Anchor: Another organization held more informal quarterly half-day meetings that included presentations about a wide variety of topics and allowed considerable time for members to develop personal contacts and have face-to-face discussions.
Entailed: An different organization held meetings that facilitated personal contacts.
Contradiction: Another organization did not hold any meetings at all. 
Contradiction: Yachts can not sail on these waters as a result of choppy waves and jagged rocks.
Contradiction: I am in favor of currencies blooming.
Contradiction: a man throwing a brick
Contradiction: One of the which was very large, perhaps strong, covered in armor up to his neck, coated with a cloak covering their identity... a hat on their head.