Correct option is A
Given:
Six people Mia, Alexander, Sophia, Liam, Olivia, and Ethan.
Alexander and Olivia sit opposite to each other and Alexander is not a neighbour of Liam. Mia sits to the immediate right of Ethan.
Sophia sits opposite to Ethan.
From the above information following seating arrangement will be -

From the above seating arrangement Ethan sits to the immediate right of Olivia.
Correct answer is (a) Ethan.