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

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

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