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

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

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