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

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

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