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

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

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