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

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

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