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

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

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