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

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

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