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

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

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