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

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

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