05A'Levels06

Ah Beng & Ah Seng decides to enter a NCO pub.
"Ah Beng, you sure we can enter anot?"
"Ah Seng... don't worry! We are Corporals now, not private anymore!"
So, Ah Beng and Ah Seng enters the pub, had a drink or two... and Ah beng decides to head to Geylang to find a prostitute.

However, he was warned by the prostitute as she claims to suffer from Gonorrhea. Ah Beng decides to call Ah Seng, "Ah Seng, what is Gonorrhea, safe or not?"
"Ah Beng... go ahead! no problem!"

One week later, Ah Beng was diagnosed with Gonorrhea. In anger, he called his buddy, "Ah Seng! why you tell me 'no problem'?"

"Ah Beng, don't worry... Gonnorhea affects the privates only... We are Corporals, not private anymore!"