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

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

*GRAMMAR*
fep -> GREEN 
 lug -> YELLOW 
 tufa -> RED 
 dax -> PURPLE 
 x1 kiki -> [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] [x2] [x2] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 