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

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

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