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

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

*GRAMMAR*
kiki -> YELLOW 
 wif -> PINK 
 dax -> RED 
 tufa -> GREEN 
 u1 fep u2 -> [u1] [u2] 
 u1 lug x1 -> [x1] [u1] 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 