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

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

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