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

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

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