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

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

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