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

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

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