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

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

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