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

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

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