Update README.md

README.md

@@ -83,7 +83,7 @@ This dataset is not meant to be used for tasks that differ from the ones specifi
 
 - `idiom_id` (str): Unique ID assigned to the idiomatic expression.
 - `idiom` (str): Idiomatic expression.
-- `sentence_id` (str): Unique ID assigned to the sentence.
+- `sentence_id` (str): Unique ID assigned to the sentence. Is composed by the idiom_id + a specific id for the sentence + a suffix indicating whether the sentence is idiomatic ("id") or distractor ("di").
 - `sentence_has_idiom` (bool): True/False field indicating wether the original English sentence contains an idiom or not.
 - `en` (str): Original English sentence.
 - `es` (str): Spanish sentence (translation).
@@ -116,11 +116,17 @@ and partly extracted from the following websites:
 
 #### Data Collection and Processing
 
-The original English sentences in the dataset were crafted by a group of native English speakers 
-in the frame of a small-scale crowdsourcing on voluntary basis.
-
+The dataset contains two types of sentences: 
+   - Idiomatic sentences.
+   - Distractor sentences,  i.e. plausible, grammatically and syntactically correct sentences
+     containing a set of words that might belong to an idiomatic expression, but in fact are employed
+     in a less common, literal way.
+     
 #### Who are the source data producers?
 
+The idiomatic sentences in the dataset were crafted by a group of native English speakers 
+in the frame of a small-scale crowdsourcing on voluntary basis.
+
 In order to ensure the quality of the generated sentences, the selected collaborators had to fulfil the following requirements:
 - Native English speakers, predominantly of British origins.
 - Demonstrated high linguistic proficiency attaining at least a C1 level.
@@ -138,6 +144,9 @@ Idiom: "to have bigger fish to fry".
 Sentence: "I don't have time for your silly stories, I have bigger fish to fry: I have a job interview to prepare  for tomorrow!".
 
 
+The complex task of generating the distractor sentences was undertaken by the authors to ensure both their quality and correctness, 
+while also providing a subtle suggestion of idiomaticity.
+
 ### Annotations [optional]
 
 <!-- If the dataset contains annotations which are not part of the initial data collection, use this section to describe them. -->