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

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

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