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

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

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