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

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

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