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

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

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