Determine if the sentence is true based on the text below.
Aerosmith are a rock band.

Rock stars Aerosmith are to hold a free concert in Hawaii to placate angry fans who brought a legal case against them. The Walk This Way hitmakers cancelled a sold-out show in Maui two years ago, leaving hundreds of fans out of pocket. They filed a class action case, which claimed the band had pulled out in favour of a bigger gig in Chicago and a private show for car dealers in Oahu. Lawyers for the would-be concert-goers said Aerosmith had now agreed to put on a new show, and would pay all expenses.
yes
Determine if the sentence is true based on the text below.
The H. pylori produces sulphur compounds.

He also developed a breath test that could detect sulfur compounds emitted from the H. pylori.
yes
Determine if the sentence is true based on the text below.
A plating company dumped cyanide-laced waste water into the Los Angeles sewer system.

A plating company that dumped thousands of gallons of cyanide-laced waste water into the Los Angeles sewer system pleaded guilty.
yes
Determine if the sentence is true based on the text below.
Hector Oqueli Colindres comes from El Salvador.

Mexico City (Mexico), 12 Jan 90 (DPA) - Salvadoran Social Democratic politician Hector Oqueli Colindres was kidnapped today, in Guatemala city, along with Guatemalan Social Democratic leader Gilda Flores, his party, in Mexico City, reported.

yes