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

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

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