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

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

*GRAMMAR*
kiki -> YELLOW 
 tufa -> GREEN 
 dax -> RED 
 wif -> PINK 
 u1 zup -> [u1] [u1] 
 u1 lug x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 