*SUPPORT*
IN: fep OUT: RED
IN: wif zup blicket OUT: YELLOW GREEN
IN: fep zup fep dax OUT: RED RED RED RED
IN: fep zup blicket dax gazzer OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: tufa OUT: PURPLE
IN: wif wif blicket zup wif OUT: YELLOW YELLOW GREEN YELLOW
IN: tufa fep tufa OUT: PURPLE RED PURPLE
IN: tufa tufa OUT: PURPLE PURPLE
IN: fep tufa zup fep gazzer OUT: RED PURPLE RED RED PURPLE RED
IN: blicket OUT: GREEN
IN: fep blicket OUT: RED GREEN
IN: blicket zup fep dax OUT: GREEN RED GREEN RED
IN: blicket wif zup tufa OUT: GREEN YELLOW PURPLE
IN: fep zup fep OUT: RED RED

*QUERY*
IN: blicket zup tufa OUT: GREEN PURPLE
IN: fep zup wif OUT: RED YELLOW
IN: fep gazzer OUT: RED RED
IN: tufa gazzer OUT: PURPLE PURPLE
IN: wif zup wif OUT: YELLOW YELLOW
IN: wif zup fep gazzer gazzer OUT: YELLOW RED YELLOW RED YELLOW RED YELLOW RED
IN: wif OUT: YELLOW
IN: blicket tufa dax OUT: GREEN PURPLE GREEN PURPLE
IN: fep dax OUT: RED RED
IN: wif gazzer dax OUT: YELLOW YELLOW YELLOW YELLOW

*GRAMMAR*
blicket -> GREEN 
 fep -> RED 
 tufa -> PURPLE 
 wif -> YELLOW 
 x1 gazzer -> [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 