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

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

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