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

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

*GRAMMAR*
dax -> PURPLE 
 tufa -> GREEN 
 zup -> PINK 
 wif -> RED 
 x1 fep x2 -> [x1] [x2] [x2] 
 x1 blicket -> [x1] [x1] [x1] [x1] [x1] 
 u1 lug u2 -> [u1] [u1] [u2] [u1] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 