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

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

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