From d029ecd91deeeee8679ee0eb3038edfe6c7bdba5 Mon Sep 17 00:00:00 2001
From: kenkeiras <kenkeiras@codigoparallevar.com>
Date: Wed, 24 May 2017 20:13:42 +0200
Subject: [PATCH] Implication example.

---
 naive-nlu/tree_nlu/knowledge_evaluation.py | 17 +++++++++++++++++
 naive-nlu/tree_nlu/tests/gac_100.py        | 20 ++++++++++++++------
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/naive-nlu/tree_nlu/knowledge_evaluation.py b/naive-nlu/tree_nlu/knowledge_evaluation.py
index 9d77e67..eb4e7c9 100644
--- a/naive-nlu/tree_nlu/knowledge_evaluation.py
+++ b/naive-nlu/tree_nlu/knowledge_evaluation.py
@@ -154,12 +154,29 @@ def question(knowledge_base, elements, subj):
         return subj.getter()
     return subj
 
+def implies(knowledge_base, elements, precedent, consequent):
+    precedent = resolve(knowledge_base, elements, precedent)
+    consequent = resolve(knowledge_base, elements, consequent)
+
+    if precedent not in knowledge_base:
+        knowledge_base[precedent] = {}
+
+    if "implications" not in knowledge_base[precedent]:
+        knowledge_base[precedent]["implications"] = set()
+
+    return modifiable_element_for_existance_in_set(
+        container=knowledge_base[precedent],
+        set_name="implications",
+        element=consequent
+    )
+
 
 knowledge_ingestion = {
     "exists-property-with-value": exists_property_with_value,
     "pertenence-to-group": pertenence_to_group,
     "has-capacity": has_capacity,
     "question": question,
+    "implies": implies,
 }
 
 
diff --git a/naive-nlu/tree_nlu/tests/gac_100.py b/naive-nlu/tree_nlu/tests/gac_100.py
index 34452a6..eb3fe39 100644
--- a/naive-nlu/tree_nlu/tests/gac_100.py
+++ b/naive-nlu/tree_nlu/tests/gac_100.py
@@ -33,12 +33,14 @@ examples = [
                     ("has-capacity", 'plane', 'fly')),
          "answer": True,
      }),
-    # {
-    #     "text": "Is it hot during the summer?",
-    #     "affirmation": "Is it hot during the summer?",
-    #     "parsed": (),
-    #     "answer": None,
-    # },
+    ('full_example',
+     {
+         "text": "Is it hot during the summer?",
+         "affirmation": "it is hot during the summer",
+         "parsed": ("question",
+                    ("implies", 'summer', 'hot')),
+         "answer": True,
+     }),
     # {
     #     "text": "is chile in south america ?",
     #     "affirmation": "is chile in south america ?",
@@ -618,6 +620,12 @@ base_knowledge = {
     'cold': {
         "groups": {'property', 'temperature'},
     },
+    'hot': {
+        "groups": {'property', 'temperature'},
+    },
+    'summer': {
+        "groups": {'epoch'},
+    },
     'earth': {
         "groups": {'noun', 'object', 'planet'},
     },