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

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

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