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

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

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