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

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

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