*SUPPORT*
IN: wif wif dax tufa blicket wif OUT: RED RED BLUE RED RED RED
IN: tufa zup OUT: BLUE BLUE
IN: wif gazzer gazzer gazzer OUT: RED PURPLE PURPLE PURPLE
IN: wif dax tufa OUT: RED BLUE RED
IN: gazzer OUT: PURPLE
IN: lug gazzer OUT: GREEN PURPLE
IN: tufa wif blicket tufa dax lug lug OUT: BLUE RED BLUE GREEN GREEN BLUE RED BLUE
IN: lug blicket gazzer zup OUT: GREEN PURPLE GREEN PURPLE
IN: gazzer zup blicket wif OUT: PURPLE PURPLE RED
IN: lug blicket lug zup blicket lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: lug zup OUT: GREEN GREEN
IN: tufa lug zup OUT: BLUE GREEN BLUE GREEN
IN: wif OUT: RED
IN: tufa blicket tufa zup OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: tufa OUT: BLUE
IN: gazzer blicket wif OUT: PURPLE RED
IN: lug OUT: GREEN
IN: wif lug tufa blicket lug zup OUT: RED GREEN BLUE GREEN RED GREEN BLUE GREEN
IN: tufa lug OUT: BLUE GREEN
IN: gazzer lug OUT: PURPLE GREEN
IN: lug lug zup zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: gazzer zup OUT: PURPLE PURPLE
IN: gazzer dax wif lug OUT: PURPLE RED GREEN PURPLE
IN: tufa tufa tufa zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE

*GRAMMAR*
lug -> GREEN 
 tufa -> BLUE 
 wif -> RED 
 gazzer -> PURPLE 
 x1 zup -> [x1] [x1] 
 x1 blicket u1 -> [x1] [u1] 
 x1 dax x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 