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

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

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