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

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

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