*SUPPORT*
IN: wif wif OUT: GREEN GREEN
IN: wif OUT: GREEN
IN: tufa OUT: YELLOW
IN: wif zup dax gazzer OUT: PURPLE PURPLE GREEN PINK
IN: wif fep wif kiki gazzer OUT: GREEN PURPLE GREEN GREEN
IN: zup kiki tufa kiki tufa fep tufa OUT: PINK YELLOW YELLOW YELLOW YELLOW PINK
IN: gazzer zup kiki gazzer OUT: PURPLE PINK PURPLE PINK
IN: zup kiki gazzer fep zup kiki gazzer OUT: PINK PINK PURPLE PINK PURPLE PINK
IN: wif fep gazzer gazzer kiki tufa OUT: PURPLE PURPLE YELLOW PURPLE GREEN
IN: zup OUT: PINK
IN: gazzer wif OUT: PURPLE GREEN
IN: zup fep zup OUT: PINK PINK
IN: tufa kiki gazzer tufa OUT: YELLOW PURPLE YELLOW YELLOW
IN: wif kiki wif kiki zup OUT: GREEN GREEN PINK GREEN GREEN

*QUERY*
IN: wif kiki tufa OUT: GREEN YELLOW GREEN
IN: tufa kiki gazzer dax wif OUT: YELLOW GREEN GREEN PURPLE YELLOW
IN: tufa fep gazzer OUT: PURPLE YELLOW
IN: gazzer OUT: PURPLE
IN: gazzer tufa wif OUT: PURPLE YELLOW GREEN
IN: tufa kiki wif zup fep wif OUT: YELLOW GREEN GREEN PINK YELLOW
IN: zup gazzer OUT: PINK PURPLE
IN: zup kiki wif OUT: PINK GREEN PINK
IN: gazzer fep zup OUT: PINK PURPLE
IN: wif gazzer kiki gazzer OUT: GREEN PURPLE PURPLE PURPLE

*GRAMMAR*
tufa -> YELLOW 
 gazzer -> PURPLE 
 zup -> PINK 
 wif -> GREEN 
 u1 kiki x1 -> [u1] [x1] [u1] 
 x1 dax x2 -> [x2] [x2] [x1] 
 u1 fep x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 