<prompt>  A 25 year old male presents to the dental clinic with black spots on his tooth. Intra-oral examination reveals pit and fissure caries with 16. Which of the following ICDAS score will be given to this tooth based on the histological depth of the lesion?Lesion depth in PF was 50 inner enamel and 50 into the outer 13 dentin - score 2Lesion depth in PF with 77 in dentin - score 3Lesion depth in PF with 100 in dentin - score 5Lesion depth in PF was 100 reaching inner 13 dentin - score 6 