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

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

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