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

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

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