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:  ['Human industry produces chemical compounds', 'Chemical compounds rise into the air', 'Chemical compounds mix with elements in clouds', 'The affected rain falls to the earth', 'The affected rain can harm natural and man-made objects because of its acidic content.'] 
Output:
  Yes  