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

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

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