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

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

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