3 files changed, 11 insertions, 6 deletions

diff --git a/README.md b/README.md
index e49777a..4c5073e 100644
--- a/README.md
+++ b/README.md
@@ -10,15 +10,12 @@ cd Evaluating-Dictionary-Alignment
 ## Requirements
 
 ```bash
+pip install -r pre_requirements.txt
 pip install -r requirements.txt
 ```
 
 - Python 3
 - [nltk](http://www.nltk.org/)
-    ```python
-    import nltk
-    nltk.download('wordnet')
-    ```
 - [lapjv](https://pypi.org/project/lapjv/)
 - [POT](https://pypi.org/project/POT/)
 - [mosestokenizer](https://pypi.org/project/mosestokenizer/)
@@ -53,7 +50,14 @@ Rest of this README assumes that you are in the repository root directory.
 
 ## Acquiring The Data
 
-*Please make sure that the requirements are met, nltk is critical for this stage*
+nltk is required for this stage;
+
+```python
+import nltk
+nltk.download('wordnet')
+```
+
+Then;
 
 ```bash
 ./get_data.sh
diff --git a/pre_requirements.txt b/pre_requirements.txt
new file mode 100644
index 0000000..a290fe6
--- /dev/null
+++ b/pre_requirements.txt
@@ -0,0 +1,2 @@
+numpy==1.16.2
+Cython
diff --git a/requirements.txt b/requirements.txt
index 2c2cf41..1a4d6d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-numpy==1.16.2
 nltk==3.4.5
 lapjv==1.3.1
 mosestokenizer==1.0.0