There are 7 heart disease patients E, F, G, H, I, J, K to be assigned to 4 doctors for treatment, they are Dr  Zhang, Dr  Li, Dr  Wang and Dr  Liu  Only one doctor can be responsible for each patient, and each doctor is responsible for the treatment of up to two patients  Among the patients, J and K are children, and the remaining 5 are adults; E, F, and J are male, and the remaining 4 are female  The following conditions must be met: (1) Dr  Zhang is only responsible for treating male patients  (2) Dr  Li can only be responsible for the treatment of 1 patient
(3) If a doctor is responsible for the treatment of a child, he must be responsible for the treatment of an adult of the same sex as the child
C is treated by Dr. Liu.