4547
Grind Stormer also known as is a vertically forced scrolling shoot 'em up developed for the arcade by Toaplan and ported to the Sega Mega Drive in  1993  by  Tengen  .
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Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 NA: 1993, Tengen