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

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

*GRAMMAR*
gazzer -> RED 
 kiki -> PURPLE 
 fep -> YELLOW 
 dax -> GREEN 
 u1 zup x1 -> [x1] [u1] 
 x1 wif u1 -> [u1] [x1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 