 
 <prompt> Which of the following people no be supporter of 'substance-free phonology:' Mark Hale, Alan Prince or Charles Reiss? Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: For one course for LSA summer institute for 1991, Alan Prince and Paul Smolensky come up with optimality theory - one overall plan for phonology wey talk say languages dey choose how to pronounce word wey go satisfy list of constraints wey dey arranged by importance; if one constraint wey dey lower rank dey violated, e fit be say e dey necessary to follow one wey dey higher rank. John McCarthy and Alan Prince come extend the approach reach morphology, and e don become one popular trend for phonology. People wey dey support 'substance-free phonology' like Mark Hale and Charles Reiss don criticize the idea of using phonetic grounding for constraints and representational elements (e.g. features) for different approaches. 