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

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

*GRAMMAR*
fep -> BLUE 
 dax -> PINK 
 wif -> RED 
 tufa -> GREEN 
 u1 zup -> [u1] [u1] 
 u1 lug u2 -> [u1] [u2] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 