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

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

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