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

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

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