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

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

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