笑点在哪儿？

收到一个英国朋友发来的 Joke as following:

An Englishman, a Scotsman, an  Irishman, a Welshman, a Latvian, a Turk,  a German, an Indian, several  Americans (including a Hawaiian and an Alaskan), an Argentinean, a  Dane, an Australian, a Slovak, an Egyptian,  a Japanese, a Moroccan,  a Frenchman, a New Zealander, a Spaniard, a  Russian, a Guatemalan, a  Colombian, a Pakistani, a Malaysian, a Croatian, a  Uzbek, a Cypriot, a  Pole, a Lithuanian, a Chinese, a Sri Lankan, a Lebanese, a Cayman  Islander, a Ugandan, a Vietnamese, a Korean, a Uruguayan, a  Czech, an  Icelander, a Mexican, a Finn, a Honduran, a Panamanian, an Andorran,  an Israeli, a Venezuelan, an Iranian, a Fijian, a Peruvian, an Estonian, a Syrian, a Brazilian, a Portuguese, a Liechtensteiner, a Mongolian, a Hungarian, a Canadian, a Moldovan, a Haitian, a Norfolk Islander, a Macedonian, a Bolivian, a Cook Islander, a Tajikistani, a Samoan, an Armenian, an Aruban, an Albanian, a Greenlander, a Micronesian, a  Virgin Islander, a Georgian, a Bahaman, a Belarusian, a Cuban, a  Tongan, a Cambodian, a Canadian, a Qatari, an Azerbaijani, a  Romanian, a Chilean,  a Jamaican, a Filipino, a Ukrainian, a Dutchman, a Ecuadorian, a Costa Rican, a Swede, a Bulgarian, a Serb, a Swiss, a  Greek, a Belgian, a Singaporean, an Italian, a Norwegian and 2 Africans,

...Walk into a fine  restaurant.

"I'm sorry," says the maītre d',  after scrutinizing the group.

"You can't come in here without a Thai."