*SUPPORT*
IN: zup wif zup lug OUT: GREEN PINK GREEN GREEN
IN: zup lug OUT: GREEN GREEN
IN: zup OUT: GREEN
IN: wif zup fep tufa OUT: PINK GREEN BLUE
IN: tufa lug OUT: BLUE BLUE
IN: tufa wif fep kiki OUT: BLUE PINK RED
IN: tufa wif gazzer wif lug OUT: PINK PINK BLUE PINK
IN: wif fep tufa OUT: PINK BLUE
IN: tufa kiki kiki wif zup wif fep zup OUT: BLUE RED RED PINK GREEN PINK GREEN
IN: kiki lug fep kiki fep zup OUT: RED RED RED GREEN
IN: tufa wif wif lug fep wif OUT: BLUE PINK PINK PINK PINK
IN: tufa OUT: BLUE
IN: kiki kiki fep kiki OUT: RED RED RED
IN: wif lug OUT: PINK PINK

*QUERY*
IN: tufa zup lug fep wif OUT: BLUE GREEN GREEN PINK
IN: wif lug fep tufa OUT: PINK PINK BLUE
IN: wif fep wif OUT: PINK PINK
IN: wif OUT: PINK
IN: wif wif lug fep tufa OUT: PINK PINK PINK BLUE
IN: kiki lug OUT: RED RED
IN: wif zup kiki lug OUT: PINK GREEN RED RED
IN: zup tufa lug fep kiki OUT: GREEN BLUE BLUE RED
IN: wif gazzer wif OUT: PINK PINK
IN: zup fep zup fep zup OUT: GREEN GREEN GREEN

*GRAMMAR*
wif -> PINK 
 kiki -> RED 
 zup -> GREEN 
 tufa -> BLUE 
 x1 gazzer x2 -> [x2] [x1] 
 u1 lug -> [u1] [u1] 
 x1 fep u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 