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

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

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