Question: What do the letters PTC represent?
About the article "Family Guy", section "Criticism and controversy".

Candidate passages:
The PTC has been frequently criticized for hypocrisy and slanted reporting.
Critics of the PTC have alleged that it supports increased governmental censorship of television by lobbying the FCC for indecency enforcement for certain television shows and inaccurately reporting on the V-Chip in order to further their agenda.
Family Guy creator Seth MacFarlane, who is frequently criticized by the PTC, said in The Advocate"Oh, yeah.
That’s like getting hate mail from Hitler.
They’re literally terrible human beings.
I’ve read their newsletter, I’ve visited their website, and they’re just rotten to the core.
For an organization that prides itself on Christian values—I mean, I’m an atheist, so what do I know?—they spend their entire day hating people.
They can all suck my dick as far as I’m concerned.
"The backgrounds of certain PTC advisory board members have been questioned as not supporting their stance on morality.
In a December 2005 column of his, "Advertising Age" columnist Simon Dumenco claimed that the PTC is "very very afraid of gay TV characters".
"Culture Watch" columnist Christopher Gildemeister defended the PTC as being "not homophobic" but simply opposed to "sexual references or innuendo (of any variety, hetero, homo or other) aired where children might be exposed to them."
The Public Transport Council (Abbreviation: PTC; Chinese: 公共交通理事会, Pinyin: "Gōnggòng Jiāotōng Lǐshìhuì"; Malay: "Majlis Pengangkutan Awam") is an independent regulatory statutory board under the Ministry of Transport of Singapore, established on 14 August 1987 by the Public Transport Council Act of 1987.
PTC regulates the public bus and rapid transit network in areas such as fares and service standards.PTC is also authorised to issue and do amendments to bus service licences, and advises the Ministry of Transport on areas such as conditions on licensees and imposing of penalties on non-complying licensees.
It regulates public land transport, differing in terms of roles from the statutory boards under MOT, which represent the mode of transport.
PTC was established to develop an integrated public transport network, by assuring quality services and by surveying the fares suitable for the public. 
The PTC Punjabi Film awards were first introduced in 2011.  
Phenylthiocarbamide (PTC), also known as phenylthiourea (PTU), is an organosulfur thiourea containing a phenyl ring.
It has the unusual property that it either tastes very bitter or is virtually tasteless, depending on the genetic makeup of the taster.
The ability to taste PTC is a dominant genetic trait, and the test to determine PTC sensitivity is one of the most commonly used genetic tests on humans.PTC also inhibits melanogenesis and is used to grow transparent fish.
About 70% of people can taste PTC, varying from a low of 58% for indigenous peoples of Australia and New Guinea to 98% for indigenous peoples of the Americas.
One study has found that non-smokers and those not habituated to coffee or tea have a statistically higher percentage of tasting PTC than the general population.
PTC does not occur in food, but related chemicals do, and food choice is related to a person's ability to taste PTC.
There is conflicting evidence as to whether a higher percentage of women than men can taste PTC. 
 PTC NEWS is a sister network to PTC Punjabi, PTC Punjabi (Canada) and PTC CHAK DE.
All three networks are owned by PTC Network.
It features general interest programming including news, dramas, comedies, music and talk shows.
From November 1 to November 20 the PTC NEWS along with PTC Punjabi and PTC CHAK DE gave live broadcasts of the 2011 Kabaddi World Cup.
PTC NEWS gave all of the night matches and also the semi final and final of the 2011 Kabaddi World Cup.