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

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

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