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

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

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