A:As the Pew report concluded , `` Sufficient studies now exist to conclude that the consequences of climate change are already detectable within U.S. ecosystems . `` B:The concluding did not happen Answer: match
A:But as its economy has expanded by an average of nine per cent per year for the last two decades , so has its demand for energy . B:The having happened Answer: joining
A:I availed myself of the wash 'n fold service , taking just about a year 's worth of dirty clothes in and getting back neatly folded , clean clothes in clear plastic bags ( I 'd originally brought them in , in six large yellow garbage bags ) . B:The availing did not happen Answer: match
A:I availed myself of the wash 'n fold service , taking just about a year 's worth of dirty clothes in and getting back neatly folded , clean clothes in clear plastic bags ( I 'd originally brought them in , in six large yellow garbage bags ) . B:The availing happened Answer: joining
A:These changes , while significant , were concentrated in the elite , and for the vast majority of the population life was little changed from the Middle Ages . B:The changing happened Answer: joining
A:These changes , while significant , were concentrated in the elite , and for the vast majority of the population life was little changed from the Middle Ages . B:The changing did not happen Answer: match
A:Actually working out there was good - the machines are nice and the classes are fun . B:The working did not happen Answer: match
A:As the Pew report concluded , `` Sufficient studies now exist to conclude that the consequences of climate change are already detectable within U.S. ecosystems . `` B:The concluding happened Answer: joining
A:Actually working out there was good - the machines are nice and the classes are fun . B:The working happened Answer:
joining