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

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

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