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

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

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