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

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

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