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

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

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