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

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

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