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

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

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