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

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

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