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

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

*GRAMMAR*
tufa -> PINK 
 lug -> GREEN 
 kiki -> RED 
 fep -> YELLOW 
 x1 gazzer -> [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 