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

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

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