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Question 14 : Consider the following figure, where each square is a house. Some pairs of houses are connected by a narrow lane, as indicated in the diagram by connecting lines.

Now, the owners decide to paint these houses (each with a single color) keeping in mind that two connected houses can't be painted with the same color. What will be the minimum number of different colors needed to paint all these houses?
Text Explanation will be transcribed soon...
Choice B is the correct answer.
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