FILE <- (BEGINS_WITH_UPPER / FOLLOWED_BY_SPACE / .)*

BEGINS_WITH_UPPER <- &[A-Z] [a-zA-Z]+   { printf("BEGINS WITH UPPER: %s\n", $0); }
FOLLOWED_BY_SPACE <- [a-zA-Z]+ &" "     { printf("FOLLOWED BY SPACE: %s\n", $0); }
