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

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

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