Simple, Compound and Complex Sentences

Which of the following sentences is an example of a simple sentence?

What type of a sentence is this: "The rain started as soon as they left home to attend a meeting."

What type of a sentence is this: "John went to school today but James remained at home."?

What type of a sentence is this: "I looked for Joe and Mary at the airport."

Identify the compound sentence from the options below:

What type of a sentence is this: "Barbara and Joanne giggled all night."?

What type of a sentence is this: "Our vacation should be exciting, but it should also be restful."?

What type of a sentence is this: "After the tornado hit, my house was completely destroyed."?

What type of a sentence is this: "She wanted to go to the store but it was raining heavily."?

What type of sentence is this: "If you study hard, you will pass the test and you can celebrate later."

What type of a sentence is this: "I like tea but Mary likes coffee."

What type of a sentence is this: "Rey waited for the train all night."

What type of a sentence is this: "After finding out that he bought a used shirt, he went to the store to return it."?

What type of a sentence is this: "I want to be a ballerina when I grow up."?

Sentence type: "Older television sets had tubes; the newest models, which take less space, are digital televisions."?

Which of the following sentences is a compound sentence?

Which of the following sentences is a compound-complex sentence?

What type of a sentence is this: "Since we had only gone a kilometre from camp, we decided to return before dark."?

What type of a sentence is this: "We decided to go fishing and camp out at the lake."?

What type of a sentence is this: "Buying new footwear is my hobby."?