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

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

*GRAMMAR*
wif -> PINK 
 tufa -> BLUE 
 lug -> RED 
 zup -> GREEN 
 u1 fep x1 -> [u1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 kiki u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 