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

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

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