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

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

*GRAMMAR*
fep -> PURPLE 
 kiki -> RED 
 lug -> BLUE 
 wif -> PINK 
 u1 tufa u2 -> [u1] [u2] 
 u1 zup -> [u1] [u1] 
 u1 blicket -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 