<human>: Does "For example, the presence of over 1,000 bacterial species in the normal human gut flora of the intestines can contribute to gut immunity, synthesise vitamins, such as folic acid, vitamin K and biotin, convert sugars to lactic acid (see Lactobacillus), as well as fermenting complex undigestible carbohydrates." correctly answer the question of What is the amount of bacteria in human intestines?
OPTIONS:
- yes
- no
<bot>: yes