Among sexually transmitted infections (STIs) are among the most common causes of disease in the world and have, in many countries, vast consequence...

Among sexually transmitted infections (STIs) are among the most common causes of disease in the world and have, in many countries, vast consequences of a sanitary, social, and economic nature. Choose the incorrect alternative about STIs in relation to pathology, type of agent, and signs/symptoms:

STIs are among the most common causes of disease in the world.
STIs have vast consequences of a sanitary, social, and economic nature.
There is an incorrect alternative about STIs in relation to pathology, type of agent, and signs/symptoms.
a. Candidiasis, fungus, whitish discharge.
b. Gonorrhea, bacteria, mucopurulent discharge.
c. Gonorrhea, protozoan, yellow-green discharge.
d. Syphilis, bacteria, and ulcers in the genital region.
e. Trichomoniasis, protozoan, yellow-green discharge.