<｜begin▁of▁sentence｜>### Instruction:
Given a set of 50 multivariate normal random samples with mean vector [10, 20] and covariance matrix [[3, 1], [1, 4]], how can you construct and visualize a hierarchical clustering dendrogram using the `MatplotlibDendrogramDrawer` associated with Matplotlib's Axes?
### Response:
from igraph.drawing import MatplotlibDendrogramDrawer
<|EOT|>
