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

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

*GRAMMAR*
tufa -> RED 
 zup -> GREEN 
 gazzer -> PINK 
 dax -> YELLOW 
 u1 wif u2 -> [u1] [u2] 
 x1 blicket u1 -> [x1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 