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

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

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