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

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

*GRAMMAR*
dax -> GREEN 
 kiki -> YELLOW 
 fep -> RED 
 zup -> PURPLE 
 u1 gazzer -> [u1] [u1] 
 x1 wif x2 -> [x2] [x1] [x1] 
 u1 tufa u2 -> [u1] [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 