Company: OPTUM
Difficulty: medium
The Message Delivery OPTUM Campus Hiring Test Question 1 Alex is trying to send an important message to his colleague Sam through his network of colleagues. He will first send the message to one of his colleagues, who will then forward it to another colleague, and this process will continue until the message reaches Sam. You are given the number of people in Alex's company and the network of relationships between them. Your task is to help Alex find and return an integer value representing the minimum number of colleagues involved in sending the message from Alex to Sam. If it is not possible for the message to reach Sam through the colleagues, return -1. Input Specification input1: An integer value representing the number of people in the company. input2: An integer value representing the number of relationships between the people. input3: A 2D integer array of size input2 x 2, representing the relationships between two colleagues. input4: An integer value representing Alex in the giv