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

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

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