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

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

*GRAMMAR*
tufa -> GREEN 
 lug -> RED 
 wif -> BLUE 
 kiki -> PURPLE 
 x1 gazzer -> [x1] [x1] 
 u1 fep u2 -> [u1] [u1] [u2] [u2] 
 x1 dax x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 