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

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

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