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

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

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