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

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

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