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

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

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