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

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

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