pick answer for example 1- T1, T2 and example 2-T1, T2

and there is a option to pick from. thank you/
 

Below are two examples of concurrent transactions. Select the type of conflict, if any, executed by each transaction. Example 1 T read account E add $60 to account E write account E T read account E T Example 2 T read account B write account E add $10 to account B commit T Pick T Pick Check Next read account A increase account E by 10% read account B write account B write account E increase account B by 10% write account B commit commit write account F write account B commit TPick T dirty read no conflict nonrepeatable read phantom read