diff --git a/src/main/resources/rego/odrl/operand.rego b/src/main/resources/rego/odrl/operand.rego
index bede44a..c322450 100644
--- a/src/main/resources/rego/odrl/operand.rego
+++ b/src/main/resources/rego/odrl/operand.rego
@@ -5,6 +5,7 @@ import rego.v1
 ## odrl:and
 # checks if all given constraints are true
 and_operand(constraints) if {
+    print(constraints)
 	true_constraints := [constraint | some constraint in constraints; constraint == true]
 	print(true_constraints)
 	count(true_constraints) == count(constraints)