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

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

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