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

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

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