diff --git a/syntax, semantics, discourse 2.md b/syntax, semantics, discourse 2.md
index d48b33ce..8bac3766 100644
--- a/syntax, semantics, discourse 2.md	
+++ b/syntax, semantics, discourse 2.md	
@@ -42,4 +42,10 @@ language meaning need to satisfy a constraint much more concrete than [[composit
          - Every / each $\mapsto$ $\forall x$
          - $\vdots$
      - = A famous supervisor directs every student here.
-         - $\exists x (\operatorname{fam-sup}()$
\ No newline at end of file
+         - there are two interpretations :
+         - $\exists x (\operatorname{fam-sup}'(x) \wedge \forall y (\operatorname{student}(y) \to \operatorname{Direct}(x, y)))$
+         - $\forall y (\operatorname{student}(y) \to \exists x(\operatorname{fam-sup}'(x) \wedge \operatorname{Direct}(x, y))$
+     - = no player injured herself
+         - $\forall x (\operatorname{player}(x) \to \neg \operatorname{Injure}(x, x)$
+         - $\neg \exists x (\operatorname{player}(x) \wedge \operatorname{Injure}(x, x))$
+     -