You need to answer the question 'Are the given steps in order?', given a set of steps describing a process. Your answer must be either Yes or No. If the answer is No, that means the steps are out of order and do not make sense in the order they are in. If the answer is Yes, that means the steps are in order and make sense in the order that they are in. A set of steps are not in order if the steps reference information that is introduced in a later step

[EX Q]:  ['Composition of blood is regulated', 'Volume of water in blood is kept constant', 'Kidneys filter waste out of blood', 'Kidneys stimulate the making of red blood cells', 'Kidneys help regulate blood pressure', 'Calcium levels are maintained.', 'PH is kept at a constant level'] 
[EX A]:   No  

[EX Q]:  ['The rock is broken down into smaller pieces', 'Erosion begins.', 'The roots of the growing plants start to break up the rock', 'The plant acids dissolve the rock', 'Plants start growing on or near the rocks'] 
[EX A]:   No  

[EX Q]:  ['Fuel mixes with air', 'Spark plug emits a spark that ignites it causing combustion', 'Exhaust valve opens to vent exhaust out tail pipe.', 'Pushes piston during power stroke', 'Piston compresses the mix', 'Combustion gases expand', 'Mix gets inducted into cylinder'] 
[EX A]:
  No