Input: 

How to blow a bubble with bubblegum<br>Buy some bubblegum. You can buy gum at pretty much every corner store. Chewing gums can be used to make bubbles, but they won't be as big, and they'll usually pop too easily.

Sentence: Chewing gum usually makes weaker bubbles than bubblegum.

Output: Yes


Input: 

Test<br>Jan's teacher assigned reading for homework. Jan forgot to read. When she got to class, her teacher gave a pop quiz. Jan failed the quiz. Her grade dropped by 2 points.

Sentence: Jan's teacher loves to give pop quizzes

Output: It's impossible to say


Input: 

How to write a rhyming poem<br>Make a list of full rhymes. Words are said to rhyme when the endings and sounds of the words match. There are many different types of rhyme, but full rhymes or " perfect " rhymes are words like " dog " and " bog, " with identical vowel and consonant combinations.

Sentence: Rhyming poems are the most popular type.

Output: It's impossible to say


Input: 

The evidence for the continuing accretion of gas by the Milky Way involves high-velocity clouds, or HVCs--mysterious clumps of hydrogen, moving rapidly through the outer regions of the galaxy.

Sentence: There are elements moving rapidly through our galaxy.

Output: