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

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

*GRAMMAR*
gazzer -> BLUE 
 lug -> GREEN 
 tufa -> PINK 
 dax -> YELLOW 
 u1 wif u2 -> [u2] [u1] [u1] 
 x1 fep x2 -> [x1] [x2] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 