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

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

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