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

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

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