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

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

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