1. John is 175cms tall. The shelf is 2 meters high. (tall)
 * Analysis: John's height is compared to the shelf's height.
 * Sentence: John isn't tall enough to reach the shelf.
2. I’ve got 80 euros. The chair costs 100 euros. (money)
 * Analysis: The amount of money you have is compared to the chair's price.
 * Sentence: I haven't got enough money to buy the chair.
3. You need to be very intelligent to do this job. Steve isn’t very intelligent. (intelligent)
 * Analysis: Steve's intelligence is compared to the job requirement.
 * Sentence: Steve isn't intelligent enough to do this job.
4. I like the water to be very warm when I go swimming. (warm)
 * Analysis: The water temperature is compared to your preference.
 * Sentence: Today the water isn't warm enough for me to swim.
5. You need 250 grams of sugar to make this cake. I’ve only got 100 grammes. (sugar)
 * Analysis: The amount of sugar you have is compared to the cake recipe.
 * Sentence: I haven't got enough sugar to make this cake.