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

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

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