*SUPPORT*
IN: wif wif OUT: YELLOW YELLOW
IN: blicket kiki wif OUT: PURPLE YELLOW PURPLE YELLOW PURPLE PURPLE YELLOW
IN: zup gazzer wif OUT: YELLOW RED YELLOW RED
IN: tufa zup OUT: BLUE RED
IN: zup kiki tufa OUT: RED BLUE RED BLUE RED RED BLUE
IN: wif lug zup OUT: RED YELLOW
IN: blicket wif OUT: PURPLE YELLOW
IN: tufa lug wif gazzer blicket OUT: PURPLE YELLOW BLUE PURPLE YELLOW BLUE
IN: wif zup lug tufa gazzer tufa OUT: BLUE YELLOW BLUE RED BLUE YELLOW BLUE RED
IN: blicket zup lug zup OUT: PURPLE RED RED
IN: wif OUT: YELLOW
IN: wif wif lug wif OUT: YELLOW YELLOW YELLOW
IN: wif lug wif gazzer tufa OUT: BLUE YELLOW YELLOW BLUE YELLOW YELLOW
IN: wif lug blicket OUT: PURPLE YELLOW

*QUERY*
IN: wif lug wif OUT: YELLOW YELLOW
IN: tufa lug zup gazzer wif OUT: YELLOW RED BLUE YELLOW RED BLUE
IN: zup OUT: RED
IN: zup zup OUT: RED RED
IN: tufa OUT: BLUE
IN: tufa lug zup gazzer tufa OUT: BLUE RED BLUE BLUE RED BLUE
IN: tufa tufa lug zup gazzer blicket OUT: PURPLE BLUE RED BLUE PURPLE BLUE RED BLUE
IN: tufa wif lug zup OUT: BLUE RED YELLOW
IN: wif lug blicket gazzer wif OUT: YELLOW PURPLE YELLOW YELLOW PURPLE YELLOW
IN: zup lug tufa OUT: BLUE RED

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