*SUPPORT*
IN: lug OUT: YELLOW
IN: tufa OUT: PURPLE
IN: tufa kiki tufa fep kiki dax wif tufa OUT: PURPLE GREEN RED PURPLE PURPLE
IN: fep kiki fep wif dax wif fep OUT: RED RED GREEN RED
IN: lug tufa kiki fep wif dax OUT: YELLOW RED PURPLE GREEN
IN: tufa gazzer fep OUT: RED RED RED PURPLE RED
IN: dax lug wif lug OUT: GREEN YELLOW YELLOW
IN: dax wif lug wif fep OUT: GREEN YELLOW RED
IN: fep kiki lug OUT: YELLOW RED
IN: dax OUT: GREEN
IN: lug wif tufa OUT: YELLOW PURPLE
IN: fep tufa gazzer dax OUT: RED GREEN GREEN GREEN PURPLE GREEN
IN: tufa kiki dax wif tufa OUT: GREEN PURPLE PURPLE
IN: tufa kiki dax OUT: GREEN PURPLE

*QUERY*
IN: fep lug OUT: RED YELLOW
IN: dax wif fep OUT: GREEN RED
IN: fep OUT: RED
IN: tufa wif lug OUT: PURPLE YELLOW
IN: dax kiki fep gazzer lug OUT: YELLOW YELLOW YELLOW RED YELLOW GREEN
IN: tufa fep gazzer tufa wif tufa OUT: PURPLE PURPLE PURPLE PURPLE RED PURPLE PURPLE
IN: tufa dax wif dax wif fep wif fep OUT: PURPLE GREEN GREEN RED RED
IN: fep kiki fep kiki fep OUT: RED RED RED
IN: fep dax OUT: RED GREEN
IN: tufa gazzer lug OUT: YELLOW YELLOW YELLOW PURPLE YELLOW

*GRAMMAR*
fep -> RED 
 dax -> GREEN 
 lug -> YELLOW 
 tufa -> PURPLE 
 x1 wif u1 -> [x1] [u1] 
 u1 gazzer x1 -> [x1] [x1] [x1] [u1] [x1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 