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

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

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