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

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

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