A:Joan, Catherine, Louis, Barbara and Al are the only children of Matt. B:Matt has exactly 5 children. Answer: databases
A:Stephen, Jessica and Charles are from Laos, New Zealand and Zimbabwe respectively. B:Jessica is not from New Zealand. Answer: linking
A:Jeff, Greg, Sandra, Harold and Annie are from Bangladesh, Taiwan, Bhutan, Iran and Poland respectively. B:Sandra is from Iran. Answer: linking
A:Among Katie, Sara and Steve the guiltiest is Katie. B:Katie is guilter than Sara. Answer: databases
A:Nancy was born in 1996 and Bob was born in 2001. B:Nancy was born earlier than Bob. Answer: databases
A:Heather has biology class then history class then computer science class. B:Biology class is after computer science class. Answer: linking
A:Mary, Ann, Frances, Heather and Fred are from Belgium, France, Afghanistan, Nepal and Germany respectively. B:Ann is from France. Answer: databases
A:Frederick is the child of Harry. Jason is the child of Harry. Julie is the child of Harry. Sally is the child of Harry. Sara is the child of Harry. B:Harry has only 3 children. Answer: linking
A:Laura is meeting a man today. B:The man is Laura's brother. Answer:
linking