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

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

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