It is worth looking at what amendment (a) states. It states:
“No offence is committed under subsection (1) by a person engaged in consensual communication or in silent prayer”.
For the avoidance of doubt, amendment (a) goes on to say that nothing in it should allow people to be harassed or their decision to be changed, such as kneeling down and praying right in front of somebody’s face, or blocking the pavement, or indulging in any kind of harassing.