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

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

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