Maybe they seen it on tv so that is how they know that it seems familiar to them and this might not be the right answer so it can be true or false
First off do you mean the game tetris? If so here is the answer:
Tetra is a prefix which means “four” and is used when forming compound words. In tetris, we use pieces (called tetrominos), which are formed by combining 4 small blocks (called minos). There are 7 possible types of tetrominos named after the letters that they resemble: I, O, L, J, T, S, and Z.
When your search something online, and a web page is displayed, you can find the text that you want by using a keyboard shortcut. This keyboard shortcut would be CTRL + F, wherein it instantly locates the keyword you want in order for a fast and more efficient researching.
Once upon a time. I had never felt so embarrassed in my life
The answers are, the second, third, fourth, and sixth