A:Ann, Gary, Carolyn and Alison are the only children of Carol. B:Carol has exactly 0 children. Answer: possibly
A:Ellen has talked to every teacher in her college. B:There are teacher in Ellen's college. Answer: prospect
A:All of the postcards are black in colour. B:None of the postcards are black in colour. Answer: possibly
A:Bruce is volcanic and selfish. B:Bruce is volcanic. Answer: prospect
A:Kenneth was born in 2006 and Edwin was born in 1999. B:Kenneth is elder than Edwin. Answer: possibly
A:Charles, Annie, Evelyn and Martha are from Ukraine, Brazil, Sweden and Indonesia respectively. B:Martha is from Indonesia. Answer: prospect
A:Deborah is to the left of Joan. Joan is to the left of Linda. B:Deborah is to the left of Linda. Answer: prospect
A:Tom is calm. B:Tom is stormy. Answer: possibly
A:Bruce has talked to every teacher in his class. B:There are teacher in Bruce's class. Answer:
prospect