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

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

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