For example (I don’t like using the word “negative” to describe ‘critique’ – but in this situation I think it is relevant) :
https://d6d2h4gfvy8t8.cloudfront.net/17760851-orig.jpg
“After the Concert” Subway Carriage - Vienna, Austria, 2014 (Fuji X100s, Available Light)
1. (Negative) Opinion: “You were too close to the Subjects either get back further, or zoom wider”
2. (Negative) Critique: The triangle captured between the three girls works really well, it is disappointing that the exclusion of the boy is not enhanced by the image having a bt more negative space into which he can gaze.