Anchor: Because of their limited English ability and isolation within communities, many aliens are particularly vulnerable to exploitation by unscrupulous sales and marketing enterprises, landlords and other businesses, and employers.
Entailed:  many aliens are particularly vulnerable to exploitation 
Contradiction:  many aliens aren't particularly vulnerable to exploitation 
Contradiction: She fixes snack cups for the kids.
Contradiction: It feels to me that the system is working out better for us than it did in the past.
Contradiction: Two men are drinking beer in a pub.
Contradiction: The officer is next to his horse.