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

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

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