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

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

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