From the following sentences which one is appropriate for pneumoia ?
p- Burning is felt in alveloar wall
q- There is obstuction of wind pipe
r- Pain in inhalation,cough & headache are seen
s- Incubation period is of 1 to 3 days.
(a) P,Q,R,S all are improper
(b) P,Q,R,S proper & S is improper
(c) P,Q are proper & R & S are improper
(d) P,Q,R,S all are proper
