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

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

*GRAMMAR*
dax -> PINK 
 wif -> BLUE 
 tufa -> GREEN 
 zup -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] [u1] [u2] 
 x1 lug -> [x1] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 