A:Albert, Bruce, Howard and Ray are the only children of George. B:George has exactly 5 children. Answer: removable
A:If Mary comes to the school, Mark won't come. Mary came to the school. B:Mark didn't come to the school. Answer: activation
A:Brian has six dollars. He received four more dollars. B:Brian now has three dollars. Answer: removable
A:George has music class then geology class then art class. B:Geology class is the last class among the three. Answer: removable
A:Kevin, Charles, Lucy and Ryan are from Mexico, Fiji, Finland and Switzerland respectively. B:Kevin is from Mexico. Answer: activation
A:Some of the toothbrushes are maroon in colour. B:All of the toothbrushes are maroon in colour. Answer: activation
A:Harriet has geography class after history class. B:Geography class is before history class. Answer: removable
A:Andrea and John are from Saudi Arabia and Chile respectively. B:John is not from Saudi Arabia. Answer: activation
A:Howard waited outside a house. B:It is Howard's house. Answer:
removable