*SUPPORT*
IN: fep kiki blicket gazzer fep OUT: BLUE RED RED
IN: blicket blicket gazzer fep OUT: BLUE BLUE RED
IN: fep gazzer blicket OUT: RED BLUE
IN: blicket kiki blicket gazzer wif OUT: BLUE PINK BLUE
IN: blicket gazzer fep OUT: BLUE RED
IN: wif gazzer tufa OUT: PINK GREEN
IN: blicket OUT: BLUE
IN: fep gazzer tufa OUT: RED GREEN
IN: blicket tufa fep lug blicket OUT: BLUE GREEN RED BLUE BLUE
IN: wif wif gazzer wif OUT: PINK PINK PINK
IN: tufa OUT: GREEN
IN: fep wif lug blicket blicket kiki tufa OUT: RED PINK BLUE GREEN BLUE BLUE GREEN BLUE
IN: tufa fep gazzer tufa OUT: GREEN RED GREEN
IN: tufa gazzer tufa OUT: GREEN GREEN

*QUERY*
IN: fep OUT: RED
IN: fep gazzer fep OUT: RED RED
IN: tufa gazzer wif OUT: GREEN PINK
IN: wif OUT: PINK
IN: fep kiki fep wif OUT: RED PINK RED
IN: wif tufa OUT: PINK GREEN
IN: fep gazzer wif lug fep OUT: RED PINK RED RED
IN: blicket gazzer wif OUT: BLUE PINK
IN: wif gazzer wif OUT: PINK PINK
IN: wif tufa wif fep blicket gazzer wif OUT: PINK GREEN PINK RED BLUE PINK

*GRAMMAR*
fep -> RED 
 blicket -> BLUE 
 tufa -> GREEN 
 wif -> PINK 
 u1 kiki x1 -> [x1] [u1] 
 x1 lug x2 -> [x1] [x2] [x2] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 