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

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

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