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

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

*GRAMMAR*
kiki -> YELLOW 
 zup -> RED 
 dax -> PINK 
 tufa -> GREEN 
 x1 fep -> [x1] [x1] 
 x1 lug x2 -> [x1] [x2] [x1] 
 x1 wif x2 -> [x2] [x2] [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 