*SUPPORT*
IN: tufa dax kiki fep OUT: RED GREEN PINK GREEN
IN: tufa kiki tufa wif blicket OUT: YELLOW RED RED RED
IN: dax gazzer wif blicket OUT: YELLOW GREEN GREEN
IN: tufa OUT: RED
IN: dax tufa kiki blicket OUT: GREEN RED YELLOW RED
IN: fep OUT: PINK
IN: fep tufa kiki blicket OUT: PINK RED YELLOW RED
IN: dax kiki blicket wif dax OUT: GREEN GREEN YELLOW GREEN
IN: fep kiki dax OUT: PINK GREEN PINK
IN: dax kiki tufa OUT: GREEN RED GREEN
IN: fep kiki tufa OUT: PINK RED PINK
IN: fep fep kiki fep OUT: PINK PINK PINK PINK
IN: blicket tufa blicket tufa blicket kiki tufa OUT: YELLOW RED YELLOW RED YELLOW RED YELLOW
IN: dax gazzer OUT: GREEN GREEN

*QUERY*
IN: blicket OUT: YELLOW
IN: tufa dax kiki tufa wif fep OUT: PINK RED GREEN RED GREEN
IN: tufa gazzer OUT: RED RED
IN: dax wif tufa OUT: RED GREEN
IN: dax OUT: GREEN
IN: fep gazzer OUT: PINK PINK
IN: dax fep kiki tufa wif fep OUT: PINK GREEN PINK RED PINK
IN: fep kiki blicket wif blicket wif dax OUT: GREEN YELLOW PINK YELLOW PINK
IN: blicket kiki fep OUT: YELLOW PINK YELLOW
IN: fep kiki dax wif blicket OUT: YELLOW PINK GREEN PINK

*GRAMMAR*
dax -> GREEN 
 tufa -> RED 
 blicket -> YELLOW 
 fep -> PINK 
 x1 wif u1 -> [u1] [x1] 
 u1 kiki u2 -> [u1] [u2] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 