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

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

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