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

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

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