*SUPPORT*
IN: tufa wif gazzer OUT: PINK PINK PURPLE PINK
IN: tufa OUT: PINK
IN: gazzer fep OUT: PURPLE PURPLE PURPLE
IN: dax fep OUT: GREEN GREEN GREEN
IN: tufa fep kiki zup wif dax OUT: PINK PINK PINK BLUE BLUE GREEN BLUE
IN: dax dax fep OUT: GREEN GREEN GREEN GREEN
IN: gazzer zup tufa OUT: PURPLE BLUE PINK
IN: tufa fep OUT: PINK PINK PINK
IN: zup zup wif tufa OUT: BLUE BLUE BLUE PINK BLUE
IN: dax wif gazzer OUT: GREEN GREEN PURPLE GREEN
IN: dax wif zup OUT: GREEN GREEN BLUE GREEN
IN: gazzer wif zup OUT: PURPLE PURPLE BLUE PURPLE
IN: gazzer wif gazzer kiki zup fep OUT: PURPLE PURPLE PURPLE PURPLE BLUE BLUE BLUE
IN: zup fep kiki dax wif zup OUT: BLUE BLUE BLUE GREEN GREEN BLUE GREEN

*QUERY*
IN: tufa fep kiki gazzer OUT: PINK PINK PINK PURPLE
IN: tufa wif zup OUT: PINK PINK BLUE PINK
IN: zup OUT: BLUE
IN: tufa dax fep OUT: PINK GREEN GREEN GREEN
IN: zup fep kiki zup dax fep kiki zup OUT: BLUE BLUE BLUE BLUE GREEN GREEN GREEN BLUE
IN: dax fep kiki dax wif dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax tufa gazzer OUT: GREEN PINK PURPLE
IN: gazzer OUT: PURPLE
IN: gazzer kiki tufa fep OUT: PURPLE PINK PINK PINK
IN: dax wif dax OUT: GREEN GREEN GREEN GREEN

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