6061
Ion Storm Inc.  ( sometimes spelled ION Storm ) was a  Texas  based developer of computer games founded by John Romero Tom Hall ( both former employees of id Software ) Todd Porter and Jerry O'Flaherty under the slogan Design is Law .
 Ion Storm Inc., Texas
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Ion Storm Inc., Texas