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

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

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