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

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

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