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

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

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