A patient presents with a chief complaint of “severe pain in my right ear” which began when eating, three hours ago. An examination reveals tenderness over the right preauricular region, maximum interincisal opening of 21mm with deflection to the right, right lateral excursion of 9mm and left lateral excursion of 2mm. The most likely diagnosis is

right anterior disc displacement without reduction.

left anterior disc displacement without reduction.

right anterior disc displacement with reduction.

left anterior disc displacement with reduction.