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

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

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