Dataset generator doesn't work in certain cases

[cesr]

With the following text in the instructions it doesn't generate anything:

User:
diff --git a/src/CoreModelsAndServices/Services/LookupPersistence.cs b/src/CoreModelsAndServices/Services/LookupPersistence.cs
+++ b/src/CoreModelsAndServices/Services/LookupPersistence.cs

@@ -295,7 +295,7 @@ public class LookupPersistence
  295      {
  296          try
  297          {
  298 +            var eaimlResults = await _amazonDynamoDb.QueryAsync(DynamoHelper.CreateQuery(Table.Lookup, $"{EmailPrefix}#{email?.ToLower()}")).ToDocumentString();
  299              var emailRows = emailResults.DeserializeList(DeserializeMemberAccountDetails).ToImmutableList();