Read the scenario carefully. After tapping "Done Reading", answer the deduction questions.
A company is managing three projects, designated as A, B, and C. Each project requires the collaboration of two workers. The company has four available workers: John, Mary, Tom, and Alex. It is established that John will not participate in project A, and Mary will not be involved in project C. Additionally, Tom and Alex are assigned to the same project. Given that John cannot work alongside Mary, determine which project John and Tom will undertake together.