edit README

Author: shaohua0116

README.md

@@ -126,23 +126,23 @@ Both the baseline model and the RN model were tested on three Sort-of-CLEVR data
 
 **Each image has 6 shapes**
 
-| 6 shapes | RN model | Baseline model |
+| | RN model | Baseline model |
 | --- | --- | --- |
 | Non-relational question | 99% | 81.00% |
 | Relational question | 89% | 29.58% |
 | Overall | 89% | 60.49% |
 
 **Each image has 4 shapes**
 
-| 4 shapes | RN model | Baseline model |
+| | RN model | Baseline model |
 | --- | --- | --- |
 | Non-relational question | 97.64% | 79.86% |
 | Relational question | 73.78% | 45.56% |
 | Overall | 88.10% | 66.10% |
 
 **Each image has 2 shapes**
 
-| 2 shapes | RN model | Baseline model |
+| | RN model | Baseline model |
 | --- | --- | --- |
 | Non-relational question | 99% | 85.48% |
 | Relational question | 89% | 35.74% |