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

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

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