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

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

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