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

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

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