Premise: This involves a spray of liquid nitrogen (-196degC) onto the skin which freezes it very quickly. It is used mostly for treatment of warts and verrucas but may also be suggested for some other skin lesions. The treatment itself is a bit uncomfortable, however, it is not suitable for children under 10
Statement: The treatment itself is a bit painful, however, it is not suitable for children under 10
Relationship: entailment