--- a/cws/cw03.tex	Fri Nov 17 20:06:43 2023 +0000
+++ b/cws/cw03.tex	Tue Nov 28 11:42:31 2023 +0000
@@ -12,7 +12,8 @@
 
 \noindent This coursework is worth 10\% and is due on \cwTHREE{} at
 16:00. You are asked to implement a parser for the WHILE language and
-also an interpreter. You can do the implementation in any programming
+also an interpreter. The parser needs to use parser combinators.
+You can do the implementation in any programming
 language you like, but you need to submit the source code with which
 you answered the questions, otherwise a mark of 0\% will be
 awarded. You should use the lexer from the previous coursework for the