Instructions: 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
Input:  ['The saliva breaks down the chemicals in the food a bit, which helps make the food mushy and easy to swallow', 'Your tongue helps out, pushing the food around while you chew with your teeth', 'Strong muscles in the walls of the stomach and gastric juices break down food in your stomach', 'Your stomach moves the food into the intestines to complete digestion', 'The esophagus moves food from the back of your throat to your stomach'] 
Output:
  No  