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

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

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