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

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

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