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

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

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