*SUPPORT*
IN: kiki tufa lug OUT: RED YELLOW
IN: lug tufa dax OUT: GREEN RED
IN: lug tufa zup OUT: PINK RED
IN: lug tufa kiki OUT: YELLOW RED
IN: dax lug lug tufa dax OUT: GREEN RED GREEN RED
IN: dax kiki wif OUT: GREEN YELLOW YELLOW YELLOW
IN: dax lug kiki OUT: GREEN RED YELLOW
IN: lug blicket OUT: RED RED RED
IN: lug wif OUT: RED RED RED
IN: dax lug OUT: GREEN RED
IN: kiki wif OUT: YELLOW YELLOW YELLOW
IN: dax OUT: GREEN
IN: lug kiki OUT: RED YELLOW
IN: kiki OUT: YELLOW

*QUERY*
IN: dax tufa zup blicket OUT: PINK GREEN PINK GREEN PINK GREEN
IN: zup tufa kiki blicket OUT: YELLOW PINK YELLOW PINK YELLOW PINK
IN: lug OUT: RED
IN: kiki tufa zup OUT: PINK YELLOW
IN: zup tufa kiki OUT: YELLOW PINK
IN: zup zup OUT: PINK PINK
IN: zup dax wif OUT: PINK GREEN GREEN GREEN
IN: kiki zup zup wif OUT: YELLOW PINK PINK PINK PINK
IN: zup tufa lug OUT: RED PINK
IN: dax wif OUT: GREEN GREEN GREEN

*GRAMMAR*
dax -> GREEN 
 zup -> PINK 
 lug -> RED 
 kiki -> YELLOW 
 u1 wif -> [u1] [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 blicket -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 