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

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

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