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

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

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