Instructions:
1. Read the given word.
2. If the given word begins with a vowel, click 'an', otherwise click 'a'.

Example:

Example: This is a tree.
Method: Figure out which word is a common name given to a person, place or thing and select it.
Answer: The noun in the above sentence is 'tree'. Therefore, the answer is 'tree'.

Example: cat

Example: I am reading.
Method: Find the verb phrase, then figure out the action word. Select the word in the verb phrase used before the action word.
Answer: The verb in the above sentence is 'reading' and 'am' is the helping verb. Therefore, the answer is 'am'.

Example: vehicle powered by an engine

Instructions:
1. Click a card.
2. Read the word.
3. Find a other word to join by clicking an other card.
4. Continue until all cards are flipped.