From 7d5e84b7be927f9f9d9027c89bb385aef7abedcb Mon Sep 17 00:00:00 2001
From: ggurdin <46800240+ggurdin@users.noreply.github.com>
Date: Wed, 22 Oct 2025 13:11:11 -0400
Subject: [PATCH] fix: don't include duplicate lemmas in match activity token
 set (#4498)

---
 lib/pangea/practice_activities/practice_selection.dart | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/pangea/practice_activities/practice_selection.dart b/lib/pangea/practice_activities/practice_selection.dart
index 69810def7..00f8b7a2a 100644
--- a/lib/pangea/practice_activities/practice_selection.dart
+++ b/lib/pangea/practice_activities/practice_selection.dart
@@ -162,8 +162,11 @@ class PracticeSelection {
 
     //remove duplicates
     final seenTexts = <String>{};
+    final seemLemmas = <String>{};
     tokens.retainWhere(
-      (token) => seenTexts.add(token.text.content.toLowerCase()),
+      (token) =>
+          seenTexts.add(token.text.content.toLowerCase()) &&
+          seemLemmas.add(token.lemma.text.toLowerCase()),
     );
 
     if (tokens.length > 8) {
@@ -184,6 +187,8 @@ class PracticeSelection {
       activityTokens.add(t);
     }
 
+    debugPrint("TOKENS: ${activityTokens.map((e) => e.text.content).toList()}");
+
     return [
       PracticeTarget(
         activityType: activityType,