Which of the following clinical findings will give the most favourable prognosis for successful direct pulp capping?
1. No hemorrhage at the exposure site.
2. The exposure is small.
3. The tooth is hypersensitive to heat.
4. The exposure site is uncontaminated.

(1) and (3)

(2) and (4)

(1) (2) (3)

All of the above.

(4) only