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

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

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