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

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

*GRAMMAR*
gazzer -> GREEN 
 lug -> YELLOW 
 wif -> PINK 
 kiki -> RED 
 x1 tufa x2 -> [x1] [x2] [x1] 
 u1 dax -> [u1] [u1] [u1] 
 u1 zup u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 