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

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

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