Answer
Intimacy is less than or equal to Commitment
Work Step by Step
Let x represent number of years.
Consider the provided relation:
\[\left\{ x|\,4\le x<7 \right\}\]
This would imply the number of years between four and seven including four and seven,
From the given graph, it is clearly evident that between fourth and seventh year Intimacy is less than or equal to Commitment.