*SUPPORT*
IN: wif OUT: RED
IN: wif lug wif OUT: RED RED RED
IN: tufa OUT: GREEN
IN: gazzer zup wif lug tufa OUT: YELLOW GREEN RED RED
IN: blicket lug tufa zup gazzer lug blicket OUT: GREEN PINK PINK PINK YELLOW YELLOW
IN: tufa tufa blicket lug wif zup tufa blicket OUT: GREEN GREEN RED PINK PINK GREEN PINK
IN: wif lug gazzer OUT: YELLOW RED RED
IN: gazzer lug blicket kiki gazzer kiki gazzer OUT: YELLOW YELLOW PINK YELLOW YELLOW
IN: wif zup tufa OUT: RED GREEN
IN: blicket wif lug blicket OUT: PINK PINK RED RED
IN: gazzer wif OUT: YELLOW RED
IN: tufa tufa wif OUT: GREEN GREEN RED
IN: tufa lug tufa OUT: GREEN GREEN GREEN
IN: gazzer gazzer OUT: YELLOW YELLOW

*QUERY*
IN: blicket OUT: PINK
IN: wif blicket OUT: RED PINK
IN: tufa lug wif OUT: RED GREEN GREEN
IN: blicket lug tufa kiki wif gazzer lug tufa OUT: RED GREEN YELLOW YELLOW GREEN PINK PINK
IN: gazzer blicket lug blicket zup blicket OUT: YELLOW PINK PINK PINK PINK
IN: tufa zup tufa OUT: GREEN GREEN
IN: gazzer OUT: YELLOW
IN: blicket lug blicket zup gazzer OUT: PINK PINK PINK YELLOW
IN: gazzer lug gazzer zup gazzer blicket wif OUT: YELLOW YELLOW YELLOW YELLOW PINK RED
IN: tufa lug blicket OUT: PINK GREEN GREEN

*GRAMMAR*
wif -> RED 
 tufa -> GREEN 
 blicket -> PINK 
 gazzer -> YELLOW 
 u1 lug u2 -> [u2] [u1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 