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

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

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