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

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

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