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

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

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