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

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

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