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

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

*GRAMMAR*
kiki -> RED 
 wif -> PINK 
 tufa -> YELLOW 
 dax -> GREEN 
 x1 gazzer -> [x1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 