*SUPPORT*
IN: fep kiki wif zup blicket lug zup OUT: RED RED RED PURPLE PINK YELLOW YELLOW YELLOW
IN: lug zup blicket fep zup tufa kiki OUT: PINK PURPLE PURPLE PURPLE RED RED RED
IN: kiki zup tufa wif OUT: YELLOW PINK PINK PINK
IN: fep wif zup OUT: PURPLE YELLOW YELLOW YELLOW
IN: fep wif fep zup OUT: PURPLE YELLOW PURPLE PURPLE PURPLE
IN: fep tufa lug OUT: RED PURPLE
IN: kiki zup OUT: PINK PINK PINK
IN: wif zup OUT: YELLOW YELLOW YELLOW
IN: kiki zup tufa fep tufa kiki OUT: PINK PURPLE PINK PINK PINK
IN: kiki fep tufa wif OUT: YELLOW PINK PURPLE
IN: fep OUT: PURPLE
IN: lug zup OUT: RED RED RED
IN: lug tufa fep OUT: PURPLE RED
IN: fep zup tufa kiki OUT: PINK PURPLE PURPLE PURPLE

*QUERY*
IN: wif lug OUT: YELLOW RED
IN: lug blicket fep zup OUT: PURPLE PURPLE PURPLE RED
IN: fep blicket fep zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: kiki kiki fep zup OUT: PINK PINK PURPLE PURPLE PURPLE
IN: fep kiki fep zup tufa kiki OUT: PINK PURPLE PINK PURPLE PURPLE PURPLE
IN: fep kiki OUT: PURPLE PINK
IN: kiki tufa kiki OUT: PINK PINK
IN: wif lug zup OUT: YELLOW RED RED RED
IN: fep zup OUT: PURPLE PURPLE PURPLE
IN: kiki OUT: PINK

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