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

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

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