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

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

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