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

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

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