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

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

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