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

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

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