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

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

*GRAMMAR*
kiki -> PINK 
 fep -> YELLOW 
 lug -> GREEN 
 wif -> BLUE 
 u1 tufa u2 -> [u2] [u1] 
 u1 gazzer u2 -> [u1] [u2] [u1] [u2] 
 x1 zup u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 