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

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

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