8. A system comprising: memory storing instructions; one or more processors configured to execute the instructions, wherein in executing the instructions one or more of the processors are to: identify an electronic message sent to a receiving user from a sending user; determine, based on the electronic message, sentiment of the sending user toward an n-gram of the electronic message; subsequent to determining the sentiment of the sending user toward the n-gram: identify user input provided in an interface of an application, wherein the user input is generated in response to interaction by the receiving user with a user interface input device of a computing device of the receiving user; determine that the n-gram conforms to a suggestion for the user input; based on determining the sentiment of the sending user toward the n-gram in the electronic message sent to the receiving user, generate an annotation for the suggestion that includes a sentiment identifier of the sentiment and a user identifier of the sending user; in response to the user input, provide the determined suggestion and the annotation for presentation to the receiving user in the interface of the application.
11. The system of claim 8 , wherein the application enables modification of task entries and wherein the determined suggestion and the annotation are provided during modification of a task entry, of the receiving user, that is associated with the sending user.