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

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

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