*SUPPORT*
IN: gazzer zup fep OUT: GREEN RED
IN: gazzer zup fep fep OUT: GREEN RED RED
IN: fep zup tufa OUT: RED PURPLE
IN: gazzer wif gazzer zup tufa gazzer OUT: GREEN PINK GREEN PURPLE GREEN
IN: fep tufa OUT: RED PURPLE
IN: gazzer OUT: GREEN
IN: fep zup wif dax fep OUT: RED PINK RED PINK RED RED PINK RED
IN: tufa fep OUT: PURPLE RED
IN: tufa dax tufa lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep lug lug OUT: RED RED RED RED
IN: wif dax wif lug OUT: PINK PINK PINK PINK PINK PINK PINK
IN: wif lug OUT: PINK PINK
IN: tufa zup fep lug lug OUT: PURPLE RED RED RED RED
IN: gazzer fep wif OUT: GREEN RED PINK

*QUERY*
IN: wif OUT: PINK
IN: fep tufa lug OUT: RED PURPLE RED PURPLE
IN: wif tufa OUT: PINK PURPLE
IN: fep zup fep OUT: RED RED
IN: tufa lug lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep lug OUT: RED RED
IN: fep OUT: RED
IN: gazzer lug OUT: GREEN GREEN
IN: tufa OUT: PURPLE
IN: tufa lug OUT: PURPLE PURPLE

*GRAMMAR*
fep -> RED 
 tufa -> PURPLE 
 gazzer -> GREEN 
 wif -> PINK 
 x1 dax x2 -> [x1] [x1] [x2] [x1] [x2] 
 x1 zup x2 -> [x1] [x2] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 