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

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

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