during the on$-$site project execution for a client you realize that you will need additional team resources at the client site to meet the project completion date. You have received permission for the necessary budget to meet this additional team resource requirement during the selection interviews you shortlist two candidates one of the candidates is very proficient in the software required, but lacks English language skills. The other candidate is fluid in English, but is not technically sound, you have to select one candidate what is the best course of action?