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

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

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