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

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

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