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

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

*GRAMMAR*
lug -> PINK 
 gazzer -> YELLOW 
 dax -> GREEN 
 fep -> BLUE 
 x1 tufa x2 -> [x2] [x1] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 wif -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 