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

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

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