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

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

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