Add metric description

README.md

@@ -14,16 +14,11 @@ pinned: false
 
 # Metric Card for action_generation
 
-***Module Card Instructions:*** *Fill out the following subsections. Feel free to take a look at existing metric cards if you'd like examples.*
-
 ## Metric Description
-*Give a brief overview of this metric, including what task(s) it is usually used for, if any.*
+Evaluate the result of action generation task.
+Consider the output format `/class/phrase`. Compute the scores for both `/class` and `phrase` separately, and then perform a weighted sum of these scores.
 
 ## How to Use
-*Give general statement of how to use the metric*
-
-*Provide simplest possible example for using the metric*
-
 ```python
 import evaluate
 valid_labels = [
@@ -64,8 +59,6 @@ print(result)
 
 *State the range of possible values that the metric's output can take, as well as what in that range is considered good. For example: "This metric can take on any value between 0 and 100, inclusive. Higher scores are better."*
 
-#### Values from Popular Papers
-*Give examples, preferrably with links to leaderboards or publications, to papers that have reported this metric, along with the values they have reported.*
 
 ### Examples
 *Give code examples of the metric being used. Try to include examples that clear up any potential ambiguity left from the metric description above. If possible, provide a range of examples that show both typical and atypical results, as well as examples where a variety of input parameters are passed.*